diff --git a/contrib/check-config.sh b/contrib/check-config.sh
index b05f4cbe1c..80de074c37 100755
--- a/contrib/check-config.sh
+++ b/contrib/check-config.sh
@@ -223,7 +223,7 @@ else
 fi
 
 flags=(
-	BLK_CGROUP IOSCHED_CFQ BLK_DEV_THROTTLING
+	BLK_CGROUP BLK_DEV_THROTTLING IOSCHED_CFQ CFQ_GROUP_IOSCHED
 	CGROUP_PERF
 	CGROUP_HUGETLB
 	NET_CLS_CGROUP $netprio