diff --git a/toxcore/group_chats.c b/toxcore/group_chats.c
index b610e9a5..1ec8ede5 100644
--- a/toxcore/group_chats.c
+++ b/toxcore/group_chats.c
@@ -787,7 +787,10 @@ static void del_dead_peers(Group_Chat *chat)
             delpeer(chat, i);
         }
 
-        if (chat->group != NULL && chat->group[i].deleted) {
+        if (chat->group == NULL || i >= chat->numpeers)
+            break;
+
+        if (chat->group[i].deleted) {
             if (is_timeout(chat->group[i].deleted_time, DEL_PEER_DELAY))
                 delpeer(chat, i);
         }