diff --git a/xup/xup.c b/xup/xup.c
index b0813d77..8aea8c83 100644
--- a/xup/xup.c
+++ b/xup/xup.c
@@ -44,7 +44,7 @@ lib_recv(struct mod* mod, char* data, int len)
         {
           return 1;
         }
-        g_sleep(1);
+        g_tcp_can_recv(mod->sck, 10);
       }
       else
       {
@@ -87,7 +87,7 @@ lib_send(struct mod* mod, char* data, int len)
         {
           return 1;
         }
-        g_sleep(1);
+        g_tcp_can_send(mod->sck, 10);
       }
       else
       {