diff --git a/lib/components/editor.js b/lib/components/editor.js
index 369c25039..1ac499c81 100644
--- a/lib/components/editor.js
+++ b/lib/components/editor.js
@@ -171,7 +171,7 @@ class Editor extends React.Component {
   render = () => {
     return (
       <Content
-        className{this.props.className}
+        className={this.props.className}
         editor={this}
         state={this.state.state}
         onChange={this.onChange}