diff --git a/toxcore/Messenger.c b/toxcore/Messenger.c
index 358227a3..3d9b671d 100644
--- a/toxcore/Messenger.c
+++ b/toxcore/Messenger.c
@@ -2320,7 +2320,8 @@ void do_messenger(Messenger *m)
             size_t c;
 
             for (c = 0; c < m->numchats; c++) {
-                Assoc_status(m->chats[c]->assoc);
+                if (m->chats[c])
+                    Assoc_status(m->chats[c]->assoc);
             }
         }