diff --git a/miniupnpd/patches/102-ipv6-ext-port.patch b/miniupnpd/patches/102-ipv6-ext-port.patch
new file mode 100644
index 0000000..d0c68ae
--- /dev/null
+++ b/miniupnpd/patches/102-ipv6-ext-port.patch
@@ -0,0 +1,12 @@
+diff --git a/pcpserver.c b/pcpserver.c
+index dec4b58..3cdf460 100644
+--- a/pcpserver.c
++++ b/pcpserver.c
+@@ -1020,6 +1020,7 @@ static int CreatePCPMap_FW(pcp_info_t *pcp_msg_info)
+ 					&uid);
+ 	if (r < 0)
+ 		return PCP_ERR_NO_RESOURCES;
++	pcp_msg_info->ext_port = pcp_msg_info->int_port;
+ 	return PCP_SUCCESS;
+ #else
+ 	return PCP_ERR_NO_RESOURCES;