diff --git a/example/tcpip-forward.c b/example/tcpip-forward.c
index c870803..7480424 100644
--- a/example/tcpip-forward.c
+++ b/example/tcpip-forward.c
@@ -35,11 +35,11 @@ const char *password = "";
 const char *server_ip = "127.0.0.1";
 
 const char *remote_listenhost = "localhost"; /* resolved by the server */
-unsigned int remote_wantport = 2222;
-unsigned int remote_listenport;
+int remote_wantport = 2222;
+int remote_listenport;
 
 const char *local_destip = "127.0.0.1";
-unsigned int local_destport = 22;
+int local_destport = 22;
 
 enum {
     AUTH_NONE = 0,