diff --git a/.prettierignore b/.prettierignore
index b625db5e9..199d45f1c 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -10,4 +10,5 @@ index.js
 patch.js
 root.js
 test/hot/react-dom
-coverage
\ No newline at end of file
+coverage
+src/webpack/webpackTagCommonJSExports.js
diff --git a/src/webpack/webpackTagCommonJSExports.js b/src/webpack/webpackTagCommonJSExports.js
index 9adf4176d..d6de252c0 100644
--- a/src/webpack/webpackTagCommonJSExports.js
+++ b/src/webpack/webpackTagCommonJSExports.js
@@ -1,7 +1,7 @@
 /* eslint-disable global-require, import/no-unresolved, no-var, camelcase, func-names */
 /* global __FILENAME__, reactHotLoaderGlobal */
 
-(function register() {
+;(function register() {
   // eslint-disable-line no-extra-semi
   /* react-hot-loader/webpack */
   var safe_require = function() {