diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c
index 3829328c5a7648bf0dfbed78b6a0f797f6334855..216f20b90aa596b49592beee89a996cbe868d8ba 100644
--- a/net/openvswitch/flow_netlink.c
+++ b/net/openvswitch/flow_netlink.c
@@ -1516,7 +1516,7 @@ int ovs_nla_put_identifier(const struct sw_flow *flow, struct sk_buff *skb)
 /* Called with ovs_mutex or RCU read lock. */
 int ovs_nla_put_masked_key(const struct sw_flow *flow, struct sk_buff *skb)
 {
-	return ovs_nla_put_key(&flow->mask->key, &flow->key,
+	return ovs_nla_put_key(&flow->key, &flow->key,
 				OVS_FLOW_ATTR_KEY, false, skb);
 }