diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index ecfd7b5..bdffe43 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -507,8 +507,9 @@ static ssize_t sysfs_override_clocksource(struct sys_device *dev,
 		/* try to select it: */
 		list_for_each_entry(cs, &clocksource_list, list) {
 			if (strlen(cs->name) == len &&
-			    !strcmp(cs->name, override_name))
-				ovr = cs;
+			    !strcmp(cs->name, override_name) &&
+				cs != &clocksource_jiffies)
+					ovr = cs;
 		}
 	}