diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index 8c2bd81acb261be5331bdd2d998605a54ef6400c..9386b955eed1652ea1694919272a937c5a3714d7 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -289,7 +289,7 @@ static int __init parse_vector_domain(char *arg)
 		vector_domain_type = VECTOR_DOMAIN_PERCPU;
 		no_int_routing = 1;
 	}
-	return 1;
+	return 0;
 }
 early_param("vector", parse_vector_domain);
 #else