diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 76f9dee..814c52d 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -6617,11 +6617,11 @@
 	int mode = sched_dynamic_mode(str);
 	if (mode < 0) {
 		pr_warn("Dynamic Preempt: unsupported mode: %s\n", str);
-		return 1;
+		return 0;
 	}
 
 	sched_dynamic_update(mode);
-	return 0;
+	return 1;
 }
 __setup("preempt=", setup_preempt_mode);