diff --git a/packages/core/parcel-bundler/src/transforms/postcss.js b/packages/core/parcel-bundler/src/transforms/postcss.js
index e10be2328ca..3c71db8e5c7 100644
--- a/packages/core/parcel-bundler/src/transforms/postcss.js
+++ b/packages/core/parcel-bundler/src/transforms/postcss.js
@@ -38,7 +38,9 @@ async function getConfig(asset) {
 
   let postcssModulesConfig = {
     getJSON: (filename, json) => (asset.cssModules = json),
-    Loader: createLoader(asset)
+    Loader: createLoader(asset),
+    generateScopedName: (name, filename) =>
+      `${name}_${md5(filename).substr(0, 5)}`
   };
 
   if (config.plugins && config.plugins['postcss-modules']) {