diff --git a/packages/react-scripts/config/modules.js b/packages/react-scripts/config/modules.js
index 13bd8891e23..38c95b91e44 100644
--- a/packages/react-scripts/config/modules.js
+++ b/packages/react-scripts/config/modules.js
@@ -101,7 +101,7 @@ function getJestAliases(options = {}) {
 
   if (path.relative(paths.appPath, baseUrlResolved) === '') {
     return {
-      'src/(.*)$': '<rootDir>/src/$1',
+      '^src/(.*)$': '<rootDir>/src/$1',
     };
   }
 }