diff --git a/kernel/tests.c b/kernel/tests.c
index 9ab3e413..850b8466 100644
--- a/kernel/tests.c
+++ b/kernel/tests.c
@@ -199,6 +199,7 @@ void* server_task(void* e)
                     SHELLDEBUGPRINTF("err");
             if (!(i%100))
                 SHELLDEBUGPRINTF("\r-%d-",i);
+            udelay(100);
     //	Sleep(10);
     }
     tmp2 = get_clock_tick();