diff --git a/kernel/signal.c b/kernel/signal.c
index 909a0cc6bc70a3078f3e41a1e42b94a28cd9ae6e..afa4f781f924999086c3fe2f34530e1ee84b6496 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -55,7 +55,7 @@ static int sig_ignored(struct task_struct *t, int sig)
 	 * signal handler may change by the time it is
 	 * unblocked.
 	 */
-	if (sigismember(&t->blocked, sig))
+	if (sigismember(&t->blocked, sig) || sigismember(&t->real_blocked, sig))
 		return 0;
 
 	/* Is it explicitly or implicitly ignored? */