diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
index dc5eb29fe7d6754acebffb7ecf2867bf5716c134..f8a8d4390a8a5427538471ab2016e7205e1e26a4 100644
--- a/net/openvswitch/conntrack.c
+++ b/net/openvswitch/conntrack.c
@@ -968,7 +968,8 @@ static int parse_nat(const struct nlattr *attr,
 			break;
 
 		case OVS_NAT_ATTR_IP_MIN:
-			nla_memcpy(&info->range.min_addr, a, nla_len(a));
+			nla_memcpy(&info->range.min_addr, a,
+				   sizeof(info->range.min_addr));
 			info->range.flags |= NF_NAT_RANGE_MAP_IPS;
 			break;