diff --git a/contrib/check-config.sh b/contrib/check-config.sh
index c0604c347a..eac605ca75 100755
--- a/contrib/check-config.sh
+++ b/contrib/check-config.sh
@@ -198,7 +198,7 @@ else
 fi
 
 flags=(
-	BLK_CGROUP IOSCHED_CFQ
+	BLK_CGROUP IOSCHED_CFQ BLK_DEV_THROTTLING
 	CGROUP_PERF
 	CGROUP_HUGETLB
 	NET_CLS_CGROUP $netprio