diff --git a/src/SimpleStun.c b/src/SimpleStun.c
index ec860c0..f012448 100644
--- a/src/SimpleStun.c
+++ b/src/SimpleStun.c
@@ -58,7 +58,7 @@ int LiFindExternalAddressIP4(const char* stunServer, unsigned short stunPort, un
         return err;
     }
 
-    err = resolveHostName(stunServer, AF_INET, 0, &stunAddr, &stunAddrLen);
+    err = resolveHostName(stunServer, AF_INET, 3478, &stunAddr, &stunAddrLen);
     if (err != 0) {
         Limelog("Failed to resolve STUN server: %d\n", err);
         goto Exit;