1 files changed, 6 insertions, 2 deletions
diff --git a/app/javascript/mastodon/components/column_back_button_slim.js b/app/javascript/mastodon/components/column_back_button_slim.js
index 3b4f46d99..2cdf1b25b 100644
--- a/app/javascript/mastodon/components/column_back_button_slim.js
+++ b/app/javascript/mastodon/components/column_back_button_slim.js
@@ -9,8 +9,12 @@ export default class ColumnBackButtonSlim extends React.PureComponent {
   };
 
   handleClick = () => {
-    if (window.history && window.history.length === 1) this.context.router.history.push('/');
-    else this.context.router.history.goBack();
+    // if history is exhausted, or we would leave mastodon, just go to root.
+    if (window.history && (window.history.length === 1 || window.history.length === window._mastoInitialHistoryLen)) {
+      this.context.router.history.push('/');
+    } else {
+      this.context.router.history.goBack();
+    }
   }
 
   render () {