diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 17bfff0532ef..f1bfd65a06f1 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -1207,7 +1207,7 @@ static int update_nodemask(struct cpuset *cs, struct cpuset *trialcs,
 	mutex_unlock(&callback_mutex);
 
 	/* use trialcs->mems_allowed as a temp variable */
-	update_nodemasks_hier(cs, &cs->mems_allowed);
+	update_nodemasks_hier(cs, &trialcs->mems_allowed);
 done:
 	return retval;
 }