diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c
index eb541786ccb7c79b3498477dfefc2927368f1a6f..b1d3740ae36ae61c1ad53f35fd818423bf2e4b27 100644
--- a/net/netfilter/nf_nat_core.c
+++ b/net/netfilter/nf_nat_core.c
@@ -441,7 +441,7 @@ nf_nat_setup_info(struct nf_conn *ct,
 		else
 			ct->status |= IPS_DST_NAT;
 
-		if (nfct_help(ct))
+		if (nfct_help(ct) && !nfct_seqadj(ct))
 			if (!nfct_seqadj_ext_add(ct))
 				return NF_DROP;
 	}