diff --git a/app/javascript/mastodon/features/ui/index.jsx b/app/javascript/mastodon/features/ui/index.jsx
index 2f9f962b81..b90ea5585a 100644
--- a/app/javascript/mastodon/features/ui/index.jsx
+++ b/app/javascript/mastodon/features/ui/index.jsx
@@ -482,7 +482,9 @@ class UI extends PureComponent {
     }
   };
 
-  handleHotkeyBack = () => {
+  handleHotkeyBack = e => {
+    e.preventDefault();
+
     const { history } = this.props;
 
     if (history.location?.state?.fromMastodon) {