diff --git a/arch/unicore32/kernel/signal.c b/arch/unicore32/kernel/signal.c
index 911b549a6df5..72d953190419 100644
--- a/arch/unicore32/kernel/signal.c
+++ b/arch/unicore32/kernel/signal.c
@@ -370,10 +370,7 @@ static int handle_signal(unsigned long sig, struct k_sigaction *ka,
 	/*
 	 * Block the signal if we were successful.
 	 */
-	sigorsets(&blocked, &tsk->blocked, &ka->sa.sa_mask);
-	if (!(ka->sa.sa_flags & SA_NODEFER))
-		sigaddset(&blocked, sig);
-	set_current_blocked(&blocked);
+	block_sigmask(ka, sig);
 
 	return 0;
 }