diff --git a/browser/components/CodeEditor.js b/browser/components/CodeEditor.js
index 304171ba..c36a50c1 100644
--- a/browser/components/CodeEditor.js
+++ b/browser/components/CodeEditor.js
@@ -292,6 +292,10 @@ export default class CodeEditor extends React.Component {
       this.editor.on('cursorActivity', this.editorActivityHandler)
       this.editor.on('changes', this.editorActivityHandler)
     }
+
+    this.setState({
+      clientWidth: this.refs.root.clientWidth
+    })
   }
 
   expandSnippet (line, cursor, cm, snippets) {
@@ -441,6 +445,14 @@ export default class CodeEditor extends React.Component {
       this.editor.setOption('extraKeys', this.defaultKeyMap)
     }
 
+    if (this.state.clientWidth !== this.refs.root.clientWidth) {
+      this.setState({
+        clientWidth: this.refs.root.clientWidth
+      })
+
+      needRefresh = true
+    }
+
     if (needRefresh) {
       this.editor.refresh()
     }