diff --git a/build/webpack/prod-lib.js b/build/webpack/prod-lib.js
index 10887ce..743fc07 100644
--- a/build/webpack/prod-lib.js
+++ b/build/webpack/prod-lib.js
@@ -47,7 +47,7 @@ export default merge(baseConfig, {
     ]
   },
   externals: {
-    vue: 'Vue'
+    vue: 'vue'
   },
   plugins: [
     new webpack.optimize.DedupePlugin(),