diff --git a/src/upnp.c b/src/upnp.c
index abd2f92f..3bfc770f 100644
--- a/src/upnp.c
+++ b/src/upnp.c
@@ -57,7 +57,7 @@ static struct UPNPDev *upnp_discover(int delay, int *error) {
 
 #elif MINIUPNPC_API_VERSION <= 14
 
-	return upnpDiscover(delay, NULL NULL, false, false, 2, error);
+	return upnpDiscover(delay, NULL, NULL, false, false, 2, error);
 
 #else