diff --git a/packages/react-scripts/template/gitignore b/packages/react-scripts/template/gitignore
index 6c96c5cff12..7e2b5959988 100644
--- a/packages/react-scripts/template/gitignore
+++ b/packages/react-scripts/template/gitignore
@@ -1,7 +1,7 @@
 # See http://help.github.com/ignore-files/ for more about ignoring files.
 
 # dependencies
-node_modules
+/node_modules
 
 # testing
 coverage
diff --git a/packages/react-scripts/utils/createJestConfig.js b/packages/react-scripts/utils/createJestConfig.js
index df0238f2587..5b626d3802d 100644
--- a/packages/react-scripts/utils/createJestConfig.js
+++ b/packages/react-scripts/utils/createJestConfig.js
@@ -28,6 +28,10 @@ module.exports = (resolve, rootDir, isEjecting) => {
     setupTestFrameworkScriptFile: setupTestsFile,
     testPathIgnorePatterns: ['<rootDir>/(build|docs|node_modules)/'],
     testEnvironment: 'node',
+    preprocessorIgnorePatterns: ["<rootDir>/node_modules"],
+    haste: {
+        providesModuleNodeModules: [".*"],
+    },
   };
   if (rootDir) {
     config.rootDir = rootDir;