diff --git a/lib/ReactGridLayout.jsx b/lib/ReactGridLayout.jsx
index 1208f9bb0..aaa00eb37 100644
--- a/lib/ReactGridLayout.jsx
+++ b/lib/ReactGridLayout.jsx
@@ -204,6 +204,7 @@ export default class ReactGridLayout extends React.Component<Props, State> {
       this.props.children !== nextProps.children ||
       !fastRGLPropsEqual(this.props, nextProps, isEqual) ||
       this.state.activeDrag !== nextState.activeDrag ||
+      this.state.mounted !== nextState.mounted ||
       this.state.droppingPosition !== nextState.droppingPosition
     );
   }