diff --git a/index.js b/index.js
index ae54072..3c76a0f 100644
--- a/index.js
+++ b/index.js
@@ -1,5 +1,6 @@
 const loaderUtils = require('loader-utils');
 const flatten = require('lodash.flatten');
+const exec = require('webpack-loader-api-exec');
 
 const utils = require('./libs');
 
@@ -11,7 +12,7 @@ module.exports = function(source) {
 
     const options = loaderUtils.getOptions(this);
     const content = (typeof source === 'string')
-        ? this.exec( source, this.resourcePath )
+        ? exec( source, this.resourcePath )
         : source;
 
     const next = this.async();
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..43d9ad8
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,362 @@
+{
+  "name": "bem-loader",
+  "version": "0.2.2",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "assertion-error": {
+      "version": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.0.2.tgz",
+      "integrity": "sha1-E8pRXYYgbaC6xm6DTdOX2HWBCUw=",
+      "dev": true
+    },
+    "balanced-match": {
+      "version": "https://registry.npmjs.org/balanced-match/-/balanced-match-0.4.2.tgz",
+      "integrity": "sha1-yz8+PHMtwPAe5wtAPzAuYddwmDg=",
+      "dev": true
+    },
+    "bem-naming": {
+      "version": "https://registry.npmjs.org/bem-naming/-/bem-naming-1.0.1.tgz",
+      "integrity": "sha1-15cjOcueWd0FWJqdH9G91059/Cw="
+    },
+    "big.js": {
+      "version": "https://registry.npmjs.org/big.js/-/big.js-3.1.3.tgz",
+      "integrity": "sha1-TK2iGTZS6zyp7I5VyQFWacmAaXg="
+    },
+    "brace-expansion": {
+      "version": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.7.tgz",
+      "integrity": "sha1-Pv/DxQ4ABTH7cg6v+A8K6O8jz1k=",
+      "dev": true,
+      "requires": {
+        "balanced-match": "https://registry.npmjs.org/balanced-match/-/balanced-match-0.4.2.tgz",
+        "concat-map": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz"
+      }
+    },
+    "browser-stdout": {
+      "version": "https://registry.npmjs.org/browser-stdout/-/browser-stdout-1.3.0.tgz",
+      "integrity": "sha1-81HTKWnTL6XXpVZxVCY9korjvR8=",
+      "dev": true
+    },
+    "chai": {
+      "version": "https://registry.npmjs.org/chai/-/chai-3.5.0.tgz",
+      "integrity": "sha1-TQJjewZ/6Vi9v906QOxW/vc3Mkc=",
+      "dev": true,
+      "requires": {
+        "assertion-error": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.0.2.tgz",
+        "deep-eql": "https://registry.npmjs.org/deep-eql/-/deep-eql-0.1.3.tgz",
+        "type-detect": "https://registry.npmjs.org/type-detect/-/type-detect-1.0.0.tgz"
+      }
+    },
+    "commander": {
+      "version": "https://registry.npmjs.org/commander/-/commander-2.9.0.tgz",
+      "integrity": "sha1-nJkJQXbhIkDLItbFFGCYQA/g99Q=",
+      "dev": true,
+      "requires": {
+        "graceful-readlink": "https://registry.npmjs.org/graceful-readlink/-/graceful-readlink-1.0.1.tgz"
+      }
+    },
+    "concat-map": {
+      "version": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+      "dev": true
+    },
+    "debug": {
+      "version": "https://registry.npmjs.org/debug/-/debug-2.6.0.tgz",
+      "integrity": "sha1-vFlryr52F/Edn6FTYe3tVgi4SZs=",
+      "dev": true,
+      "requires": {
+        "ms": "https://registry.npmjs.org/ms/-/ms-0.7.2.tgz"
+      }
+    },
+    "deep-eql": {
+      "version": "https://registry.npmjs.org/deep-eql/-/deep-eql-0.1.3.tgz",
+      "integrity": "sha1-71WKyrjeJSBs1xOQbXTlaTDrafI=",
+      "dev": true,
+      "requires": {
+        "type-detect": "https://registry.npmjs.org/type-detect/-/type-detect-0.1.1.tgz"
+      },
+      "dependencies": {
+        "type-detect": {
+          "version": "https://registry.npmjs.org/type-detect/-/type-detect-0.1.1.tgz",
+          "integrity": "sha1-C6XsKohWQORw6k6FBZcZANrFiCI=",
+          "dev": true
+        }
+      }
+    },
+    "deps-normalize": {
+      "version": "git+https://github.com/regru/deps-normalize.git#b7a52a3e90aa67180292c5016158e5dccc3ae23a",
+      "integrity": "sha1-0OQdIqEDjo76g/any5fzsrpSukA="
+    },
+    "diff": {
+      "version": "https://registry.npmjs.org/diff/-/diff-3.2.0.tgz",
+      "integrity": "sha1-yc45Okt8vQsFinJck98pkCeGj/k=",
+      "dev": true
+    },
+    "emojis-list": {
+      "version": "https://registry.npmjs.org/emojis-list/-/emojis-list-2.1.0.tgz",
+      "integrity": "sha1-TapNnbAPmBmIDHn6RXrlsJof04k="
+    },
+    "escape-string-regexp": {
+      "version": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
+      "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=",
+      "dev": true
+    },
+    "formatio": {
+      "version": "https://registry.npmjs.org/formatio/-/formatio-1.1.1.tgz",
+      "integrity": "sha1-XtPM1jZVEJc4NGXZlhmRAOhhYek=",
+      "dev": true,
+      "requires": {
+        "samsam": "https://registry.npmjs.org/samsam/-/samsam-1.1.2.tgz"
+      }
+    },
+    "fs.realpath": {
+      "version": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
+      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
+      "dev": true
+    },
+    "graceful-readlink": {
+      "version": "https://registry.npmjs.org/graceful-readlink/-/graceful-readlink-1.0.1.tgz",
+      "integrity": "sha1-TK+tdrxi8C+gObL5Tpo906ORpyU=",
+      "dev": true
+    },
+    "growl": {
+      "version": "https://registry.npmjs.org/growl/-/growl-1.9.2.tgz",
+      "integrity": "sha1-Dqd0NxXbjY3ixe3hd14bRayFwC8=",
+      "dev": true
+    },
+    "has-flag": {
+      "version": "https://registry.npmjs.org/has-flag/-/has-flag-1.0.0.tgz",
+      "integrity": "sha1-nZ55MWXOAXoA8AQYxD+UKnsdEfo=",
+      "dev": true
+    },
+    "inflight": {
+      "version": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
+      "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
+      "dev": true,
+      "requires": {
+        "once": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+        "wrappy": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz"
+      }
+    },
+    "inherits": {
+      "version": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
+      "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=",
+      "dev": true
+    },
+    "json3": {
+      "version": "https://registry.npmjs.org/json3/-/json3-3.3.2.tgz",
+      "integrity": "sha1-PAQ0dD35Pi9cQq7nsZvLSDV19OE=",
+      "dev": true
+    },
+    "json5": {
+      "version": "https://registry.npmjs.org/json5/-/json5-0.5.1.tgz",
+      "integrity": "sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE="
+    },
+    "loader-utils": {
+      "version": "https://registry.npmjs.org/loader-utils/-/loader-utils-1.1.0.tgz",
+      "integrity": "sha1-yYrvSIvM7aL/teLeZG1qdUQp9c0=",
+      "requires": {
+        "big.js": "https://registry.npmjs.org/big.js/-/big.js-3.1.3.tgz",
+        "emojis-list": "https://registry.npmjs.org/emojis-list/-/emojis-list-2.1.0.tgz",
+        "json5": "https://registry.npmjs.org/json5/-/json5-0.5.1.tgz"
+      }
+    },
+    "lodash._baseassign": {
+      "version": "https://registry.npmjs.org/lodash._baseassign/-/lodash._baseassign-3.2.0.tgz",
+      "integrity": "sha1-jDigmVAPIVrQnlnxci/QxSv+Ck4=",
+      "dev": true,
+      "requires": {
+        "lodash._basecopy": "https://registry.npmjs.org/lodash._basecopy/-/lodash._basecopy-3.0.1.tgz",
+        "lodash.keys": "https://registry.npmjs.org/lodash.keys/-/lodash.keys-3.1.2.tgz"
+      }
+    },
+    "lodash._basecopy": {
+      "version": "https://registry.npmjs.org/lodash._basecopy/-/lodash._basecopy-3.0.1.tgz",
+      "integrity": "sha1-jaDmqHbPNEwK2KVIghEd08XHyjY=",
+      "dev": true
+    },
+    "lodash._basecreate": {
+      "version": "https://registry.npmjs.org/lodash._basecreate/-/lodash._basecreate-3.0.3.tgz",
+      "integrity": "sha1-G8ZhYU2qf8MRt9A78WgGoCE8+CE=",
+      "dev": true
+    },
+    "lodash._getnative": {
+      "version": "https://registry.npmjs.org/lodash._getnative/-/lodash._getnative-3.9.1.tgz",
+      "integrity": "sha1-VwvH3t5G1hzc3mh9ZdPuy6o6r/U=",
+      "dev": true
+    },
+    "lodash._isiterateecall": {
+      "version": "https://registry.npmjs.org/lodash._isiterateecall/-/lodash._isiterateecall-3.0.9.tgz",
+      "integrity": "sha1-UgOte6Ql+uhCRg5pbbnPPmqsBXw=",
+      "dev": true
+    },
+    "lodash.create": {
+      "version": "https://registry.npmjs.org/lodash.create/-/lodash.create-3.1.1.tgz",
+      "integrity": "sha1-1/KEnw29p+BGgruM1yqwIkYd6+c=",
+      "dev": true,
+      "requires": {
+        "lodash._baseassign": "https://registry.npmjs.org/lodash._baseassign/-/lodash._baseassign-3.2.0.tgz",
+        "lodash._basecreate": "https://registry.npmjs.org/lodash._basecreate/-/lodash._basecreate-3.0.3.tgz",
+        "lodash._isiterateecall": "https://registry.npmjs.org/lodash._isiterateecall/-/lodash._isiterateecall-3.0.9.tgz"
+      }
+    },
+    "lodash.flatten": {
+      "version": "https://registry.npmjs.org/lodash.flatten/-/lodash.flatten-4.4.0.tgz",
+      "integrity": "sha1-8xwiIlqWMtK7+OSt2+8kCqdlph8="
+    },
+    "lodash.get": {
+      "version": "https://registry.npmjs.org/lodash.get/-/lodash.get-4.4.2.tgz",
+      "integrity": "sha1-LRd/ZS+jHpObRDjVNBSZ36OCXpk="
+    },
+    "lodash.isarguments": {
+      "version": "https://registry.npmjs.org/lodash.isarguments/-/lodash.isarguments-3.1.0.tgz",
+      "integrity": "sha1-L1c9hcaiQon/AGY7SRwdM4/zRYo=",
+      "dev": true
+    },
+    "lodash.isarray": {
+      "version": "https://registry.npmjs.org/lodash.isarray/-/lodash.isarray-3.0.4.tgz",
+      "integrity": "sha1-eeTriMNqgSKvhvhEqpvNhRtfu1U=",
+      "dev": true
+    },
+    "lodash.keys": {
+      "version": "https://registry.npmjs.org/lodash.keys/-/lodash.keys-3.1.2.tgz",
+      "integrity": "sha1-TbwEcrFWvlCgsoaFXRvQsMZWCYo=",
+      "dev": true,
+      "requires": {
+        "lodash._getnative": "https://registry.npmjs.org/lodash._getnative/-/lodash._getnative-3.9.1.tgz",
+        "lodash.isarguments": "https://registry.npmjs.org/lodash.isarguments/-/lodash.isarguments-3.1.0.tgz",
+        "lodash.isarray": "https://registry.npmjs.org/lodash.isarray/-/lodash.isarray-3.0.4.tgz"
+      }
+    },
+    "lolex": {
+      "version": "https://registry.npmjs.org/lolex/-/lolex-1.3.2.tgz",
+      "integrity": "sha1-fD2mL/yzDw9agKJWbKJORdigHzE=",
+      "dev": true
+    },
+    "minimatch": {
+      "version": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
+      "integrity": "sha1-UWbihkV/AzBgZL5Ul+jbsMPTIIM=",
+      "dev": true,
+      "requires": {
+        "brace-expansion": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.7.tgz"
+      }
+    },
+    "minimist": {
+      "version": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+      "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
+      "dev": true
+    },
+    "mkdirp": {
+      "version": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+      "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+      "dev": true,
+      "requires": {
+        "minimist": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz"
+      }
+    },
+    "mocha": {
+      "version": "https://registry.npmjs.org/mocha/-/mocha-3.4.2.tgz",
+      "integrity": "sha1-0O9NMyEm2/GNDWQMmzgt1IvpdZQ=",
+      "dev": true,
+      "requires": {
+        "browser-stdout": "https://registry.npmjs.org/browser-stdout/-/browser-stdout-1.3.0.tgz",
+        "commander": "https://registry.npmjs.org/commander/-/commander-2.9.0.tgz",
+        "debug": "https://registry.npmjs.org/debug/-/debug-2.6.0.tgz",
+        "diff": "https://registry.npmjs.org/diff/-/diff-3.2.0.tgz",
+        "escape-string-regexp": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
+        "glob": "https://registry.npmjs.org/glob/-/glob-7.1.1.tgz",
+        "growl": "https://registry.npmjs.org/growl/-/growl-1.9.2.tgz",
+        "json3": "https://registry.npmjs.org/json3/-/json3-3.3.2.tgz",
+        "lodash.create": "https://registry.npmjs.org/lodash.create/-/lodash.create-3.1.1.tgz",
+        "mkdirp": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+        "supports-color": "https://registry.npmjs.org/supports-color/-/supports-color-3.1.2.tgz"
+      },
+      "dependencies": {
+        "glob": {
+          "version": "https://registry.npmjs.org/glob/-/glob-7.1.1.tgz",
+          "integrity": "sha1-gFIR3wT6rxxjo2ADBs31reULLsg=",
+          "dev": true,
+          "requires": {
+            "fs.realpath": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
+            "inflight": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
+            "inherits": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
+            "minimatch": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
+            "once": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+            "path-is-absolute": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz"
+          }
+        }
+      }
+    },
+    "ms": {
+      "version": "https://registry.npmjs.org/ms/-/ms-0.7.2.tgz",
+      "integrity": "sha1-riXPJRKziFodldfwN4aNhDESR2U=",
+      "dev": true
+    },
+    "once": {
+      "version": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+      "dev": true,
+      "requires": {
+        "wrappy": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz"
+      }
+    },
+    "path-is-absolute": {
+      "version": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
+      "dev": true
+    },
+    "samsam": {
+      "version": "https://registry.npmjs.org/samsam/-/samsam-1.1.2.tgz",
+      "integrity": "sha1-vsEf3IOp/aBjQBIQ5AF2wwJNFWc=",
+      "dev": true
+    },
+    "sinon": {
+      "version": "https://registry.npmjs.org/sinon/-/sinon-1.17.7.tgz",
+      "integrity": "sha1-RUKk9JugxFwF6y6d2dID4rjv4L8=",
+      "dev": true,
+      "requires": {
+        "formatio": "https://registry.npmjs.org/formatio/-/formatio-1.1.1.tgz",
+        "lolex": "https://registry.npmjs.org/lolex/-/lolex-1.3.2.tgz",
+        "samsam": "https://registry.npmjs.org/samsam/-/samsam-1.1.2.tgz",
+        "util": "https://registry.npmjs.org/util/-/util-0.10.3.tgz"
+      }
+    },
+    "supports-color": {
+      "version": "https://registry.npmjs.org/supports-color/-/supports-color-3.1.2.tgz",
+      "integrity": "sha1-cqJiiU2dQIuVbKBf83su2KbiotU=",
+      "dev": true,
+      "requires": {
+        "has-flag": "https://registry.npmjs.org/has-flag/-/has-flag-1.0.0.tgz"
+      }
+    },
+    "type-detect": {
+      "version": "https://registry.npmjs.org/type-detect/-/type-detect-1.0.0.tgz",
+      "integrity": "sha1-diIXzAbbJY7EiQihKY6LlRIejqI=",
+      "dev": true
+    },
+    "util": {
+      "version": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
+      "integrity": "sha1-evsa/lCAUkZInj23/g7TeTNqwPk=",
+      "dev": true,
+      "requires": {
+        "inherits": "https://registry.npmjs.org/inherits/-/inherits-2.0.1.tgz"
+      },
+      "dependencies": {
+        "inherits": {
+          "version": "https://registry.npmjs.org/inherits/-/inherits-2.0.1.tgz",
+          "integrity": "sha1-sX0I0ya0Qj5Wjv9xn5GwscvfafE=",
+          "dev": true
+        }
+      }
+    },
+    "webpack-loader-api-exec": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/webpack-loader-api-exec/-/webpack-loader-api-exec-0.1.0.tgz",
+      "integrity": "sha512-wO9LbG18bTMNfOg75VM4LBxBFMbD5PZc0cM7hxRx2k+OT1MwuOVpBOKXw36zWqb+pUUeF9JxvzFjzdVkcYyz0A=="
+    },
+    "wrappy": {
+      "version": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
+    }
+  }
+}
diff --git a/package.json b/package.json
index e0d8bcb..b9ab9c1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bem-loader",
-  "version": "0.2.2",
+  "version": "0.2.4",
   "description": "",
   "homepage": "https://github.com/shifteee/bem-loader.git",
   "main": "index.js",
@@ -20,7 +20,8 @@
     "glob": "^7.1.1",
     "loader-utils": "^1.1.0",
     "lodash.flatten": "^4.4.0",
-    "lodash.get": "^4.4.2"
+    "lodash.get": "^4.4.2",
+    "webpack-loader-api-exec": "^0.1.1"
   },
   "ignore": [
     "**/.*",
diff --git a/test/test.js b/test/test.js
index d4df7fc..09e0b67 100644
--- a/test/test.js
+++ b/test/test.js
@@ -3,8 +3,8 @@ const path = require('path');
 
 const expect = require('chai').expect;
 const sinon = require('sinon');
-
 const bem = require('bem-naming');
+
 const loader = require('../');
 const bemdecl = require('../fixtures/bem/bundles/all/all.bemdecl');
 const bemdecl2 = require('../fixtures/bem/bundles/nonexists/nonexists.bemdecl');
@@ -13,15 +13,6 @@ const bemdecl2 = require('../fixtures/bem/bundles/nonexists/nonexists.bemdecl');
 describe('bem-loader', function() {
 
     const context = {
-        exec: function(source) {
-            const module = {
-                exports: {}
-            };
-
-            eval(source);
-
-            return module.exports;
-        },
         async: function() { },
         addDependency: function() { },
         emitWarning: function() { },