diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index cd91237..de6a2d6 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -226,7 +226,7 @@
 
 static void notify_cmos_timer(void)
 {
-	if (no_sync_cmos_clock)
+	if (!no_sync_cmos_clock)
 		mod_timer(&sync_cmos_timer, jiffies + 1);
 }