diff --git a/app/javascript/mastodon/features/ui/index.js b/app/javascript/mastodon/features/ui/index.js
index 791ff9a2e5ae6efb3c2b1ba1b7a2c2331c2ea740..a45ba91eb2663853d3ce3113f9e0600a6abf5014 100644
--- a/app/javascript/mastodon/features/ui/index.js
+++ b/app/javascript/mastodon/features/ui/index.js
@@ -164,7 +164,9 @@ class SwitchingColumnsArea extends React.PureComponent {
   }
 
   setRef = c => {
-    this.node = c.getWrappedInstance();
+    if (c) {
+      this.node = c.getWrappedInstance();
+    }
   }
 
   render () {