diff --git a/lib/index.js b/lib/index.js
index 94db96f..0a1aa6f 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -36,6 +36,17 @@
       },
 
       compile = function(config, basePath, files, filename, done) {
+        if (isPartial(filename)) {
+          delete files[filename];
+          done();
+          return;
+        }
+
+        if (!isAnySassFile(filename)) {
+          done();
+          return;
+        }
+
         var file = files[filename],
             filePath = path.join(basePath, filename),
             opts = extend({
@@ -57,54 +68,47 @@
           opts.outFile = filePath.replace(/\.s[ca]ss/, '.css');
         }
 
-        if (isAnySassFile(filename) === true) {
-          // Append the file's base path to the available include paths.
-          opts.includePaths.push(fileDir);
-
-          // Compile the file using SASS.
-          sass.render(opts, function (err, result) {
-            var error = null;
-
-            if (err && err instanceof Error) {
-              error = new Error([
-                '[metalsmith-sass] Error: ',
-                err.message, ' -> ',
-                err.file,
-                ':',
-                err.line, ':', err.column
-              ].join(''));
-            } else if (err) {
-              error = new Error(err);
-            }
+        // Append the file's base path to the available include paths.
+        opts.includePaths.push(fileDir);
+
+        // Compile the file using SASS.
+        sass.render(opts, function (err, result) {
+          var error = null;
+
+          if (err && err instanceof Error) {
+            error = new Error([
+              '[metalsmith-sass] Error: ',
+              err.message, ' -> ',
+              err.file,
+              ':',
+              err.line, ':', err.column
+            ].join(''));
+          } else if (err) {
+            error = new Error(err);
+          }
 
-            if (error) {
-              done(error);
-              return;
-            }
+          if (error) {
+            done(error);
+            return;
+          }
 
-            // add soure map
-            if (result.map) {
-              files[dest+'.map'] = {
-                contents: result.map,
-                mode: file.mode
-              };
-            }
+          // add soure map
+          if (result.map) {
+            files[dest+'.map'] = {
+              contents: result.map,
+              mode: file.mode
+            };
+          }
 
-            // replace contents
-            file.contents = result.css;
+          // replace contents
+          file.contents = result.css;
 
-            // rename file extension
-            files[dest] = file;
+          // rename file extension
+          files[dest] = file;
 
-            delete files[filename];
-            done();
-          });
-        } else if (isPartial(filename) === true) {
           delete files[filename];
           done();
-        } else {
-          done();
-        }
+        });
       },
 
       compileSass = function compileSass(config, files, metalsmith, done) {