1 files changed, 1 insertions, 1 deletions
diff --git a/app/javascript/mastodon/features/compose/components/compose_form.js b/app/javascript/mastodon/features/compose/components/compose_form.js
index 27178fe19..0625ab223 100644
--- a/app/javascript/mastodon/features/compose/components/compose_form.js
+++ b/app/javascript/mastodon/features/compose/components/compose_form.js
@@ -88,7 +88,7 @@ class ComposeForm extends ImmutablePureComponent {
       return;
     }
 
-    this.props.onSubmit(this.context.router.history);
+    this.props.onSubmit(this.context.router ? this.context.router.history : null);
   }
 
   onSuggestionsClearRequested = () => {