diff --git a/components/Carbon.js b/components/Carbon.js
index d431e9f..b1af4f9 100644
--- a/components/Carbon.js
+++ b/components/Carbon.js
@@ -29,9 +29,11 @@ function searchLanguage(l) {
   return LANGUAGE_NAME_HASH[l] || LANGUAGE_MODE_HASH[l] || LANGUAGE_MIME_HASH[l]
 }
 
+function noop() {}
 class Carbon extends React.PureComponent {
   static defaultProps = {
-    onChange: () => {}
+    onChange: noop,
+    onGutterClick: noop
   }
   state = {}