diff --git a/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java b/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
index ddf84abc5e29454a7668566eca055f5b7a0d148c..0ec88c1b607af4634ddea035513c7f6de4c172c8 100644
--- a/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
+++ b/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
@@ -3942,6 +3942,7 @@ public class ConversationFragment extends XmppFragment
         }
         storeNextMessage();
         updateChatMsgHint();
+        if (activity == null) return;
         SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
         final boolean prefScrollToBottom =
                 p.getBoolean(