diff --git a/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java b/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
index 2b9fd5770c594df6d962bf327d1a202d758e1383..f5a2e8ce40e0acabc3b1886d2615b1a718e9305a 100644
--- a/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
+++ b/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
@@ -1488,6 +1488,7 @@ public class ConversationFragment extends XmppFragment
     }
 
     protected void newThreadTutorialToast(String s) {
+        if (activity == null) return;
         final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
         final int tutorialCount = p.getInt("thread_tutorial", 0);
         if (tutorialCount < 5) {