diff --git a/lwip/src/arch/sys_arch.c b/lwip/src/arch/sys_arch.c
index 2eef4727..5e5ba562 100644
--- a/lwip/src/arch/sys_arch.c
+++ b/lwip/src/arch/sys_arch.c
@@ -139,8 +139,8 @@ u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t timeout)
 	while (timeout)
 	{
 		err = sem_trywait(&sem->sem);
-		if (err != -1)
-			return err;
+//		if (err != -1)
+//			return err;
 		udelay(1000);
 		timeout--;
 	}