diff --git a/packages/react-dev-utils/formatWebpackMessages.js b/packages/react-dev-utils/formatWebpackMessages.js
index f459ea98ccc..4c841f2524c 100644
--- a/packages/react-dev-utils/formatWebpackMessages.js
+++ b/packages/react-dev-utils/formatWebpackMessages.js
@@ -15,7 +15,13 @@ function isLikelyASyntaxError(message) {
 
 // Cleans up webpack error messages.
 function formatMessage(message) {
-  let lines = message.split('\n');
+  let lines = [];
+
+  if (typeof message === 'string' || message instanceof String) {
+    lines = message.split('\n');
+  } else {
+    lines = [message.moduleName].concat(message.message.split('\n'));
+  }
 
   // Strip webpack-added headers off errors/warnings
   // https://github.com/webpack/webpack/blob/master/lib/ModuleError.js