diff --git a/libtransmission/upnp.c b/libtransmission/upnp.c
index c9e248a379...c7b2580bcb 100644
--- a/libtransmission/upnp.c
+++ b/libtransmission/upnp.c
@@ -194,8 +194,13 @@
 
         errno = 0;
 
+#if (MINIUPNPC_API_VERSION >= 18)
         if (UPNP_GetValidIGD(devlist, &handle->urls, &handle->data, handle->lanaddr,
+            sizeof(handle->lanaddr), NULL, 0) == UPNP_IGD_VALID_CONNECTED)
+#else
+        if (UPNP_GetValidIGD(devlist, &handle->urls, &handle->data, handle->lanaddr,
             sizeof(handle->lanaddr)) == UPNP_IGD_VALID_CONNECTED)
+#endif
         {
             tr_logAddNamedInfo(getKey(), _("Found Internet Gateway Device \"%s\""), handle->urls.controlURL);
             tr_logAddNamedInfo(getKey(), _("Local Address is \"%s\""), handle->lanaddr);