fix error when single columns mode. (#4734)

diff --git a/app/javascript/mastodon/features/ui/components/columns_area.js b/app/javascript/mastodon/features/ui/components/columns_area.js
index de3a199c7033285bf22b0a832e88b17ee61f800d..b8f3a5ccb291a351c4509c5623e387c03db36c32 100644 (file)
--- a/app/javascript/mastodon/features/ui/components/columns_area.js
+++ b/app/javascript/mastodon/features/ui/components/columns_area.js
@@ -57,7 +57,9 @@ export default class ColumnsArea extends ImmutablePureComponent {
   }
 
   handleChildrenContentChange() {
-    scrollRight(this.node);
+    if (!this.props.singleColumn) {
+      scrollRight(this.node);
+    }
   }
 
   handleSwipe = (index) => {