diff --git a/contrib/check-config.sh b/contrib/check-config.sh
index 175370ea7b..7f57c7bb39 100755
--- a/contrib/check-config.sh
+++ b/contrib/check-config.sh
@@ -218,7 +218,7 @@ check_flags \
 	CGROUPS CGROUP_CPUACCT CGROUP_DEVICE CGROUP_FREEZER CGROUP_SCHED CPUSETS MEMCG \
 	KEYS \
 	VETH BRIDGE BRIDGE_NETFILTER \
-	IP_NF_FILTER IP_NF_TARGET_MASQUERADE \
+	IP_NF_FILTER IP_NF_MANGLE IP_NF_TARGET_MASQUERADE \
 	NETFILTER_XT_MATCH_ADDRTYPE \
 	NETFILTER_XT_MATCH_CONNTRACK \
 	NETFILTER_XT_MATCH_IPVS \