diff --git a/kernel/exit.c b/kernel/exit.c
index 9e459fe..9d3d0f0 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1083,11 +1083,12 @@
 		struct signal_struct *const sig = current->signal;
 		struct sighand_struct *const sighand = current->sighand;
 		spin_lock_irq(&sighand->siglock);
-		if (sig->flags & SIGNAL_GROUP_EXIT)
+		if (signal_group_exit(sig))
 			/* Another thread got here before we took the lock.  */
 			exit_code = sig->group_exit_code;
 		else {
 			sig->group_exit_code = exit_code;
+			sig->flags = SIGNAL_GROUP_EXIT;
 			zap_other_threads(current);
 		}
 		spin_unlock_irq(&sighand->siglock);