diff --git a/net/netfilter/nft_masq.c b/net/netfilter/nft_masq.c
index e55e455275c4..9544c2f16998 100644
--- a/net/netfilter/nft_masq.c
+++ b/net/netfilter/nft_masq.c
@@ -43,7 +43,7 @@ static int nft_masq_init(const struct nft_ctx *ctx,
 			 const struct nft_expr *expr,
 			 const struct nlattr * const tb[])
 {
-	u32 plen = sizeof_field(struct nf_nat_range, min_addr.all);
+	u32 plen = sizeof_field(struct nf_nat_range, min_proto.all);
 	struct nft_masq *priv = nft_expr_priv(expr);
 	int err;