diff --git a/lib/iptables.inc b/lib/iptables.inc
index 9372853..7883cd6 100644
--- a/lib/iptables.inc
+++ b/lib/iptables.inc
@@ -464,7 +464,7 @@ function enable_nat {
 			[[ ${srcaddress} == "-" ]] && srcaddress=""
 			
 			${VER_IPTABLES} -A ${NAT} -t nat ${srcaddress} ${action} ${dstinterface} ${dstaddress}
-			${VER_IPTABLES} -A ${FwdFilter} ${M_STATE} ${C_STATE} RELATED,ESTABLISHED ${srcinterface} ${srcaddress} ${dstinterface} -j ACCEPT
+			${VER_IPTABLES} -A ${FwdFilter} ${M_STATE} ${C_STATE} RELATED,ESTABLISHED,NEW ${srcinterface} ${srcaddress} ${dstinterface} -j ACCEPT
 			${VER_IPTABLES} -A ${FwdFilter} ${M_STATE} ${C_STATE} RELATED,ESTABLISHED ${revsrcinterface} ${revsrcaddress} ${revdstinterface} -j ACCEPT
 			done < "${FWCONFIGDIR}/ipv${IPVER}/nat.conf"
 		${debug} ${DebugColor} "${FUNCNAME}:${DEFAULT_COLOR} done"