diff --git a/drivers/net/mmnif.c b/drivers/net/mmnif.c
index 7f123f03..cb74031b 100644
--- a/drivers/net/mmnif.c
+++ b/drivers/net/mmnif.c
@@ -1156,7 +1156,7 @@ int mmnif_poll(void* e)
 			 */
 		}
 		mmnif->stats.pll_empty--;
-//			Sleep(10);
+			sleep(1);
 		mmnif_rx(mmnif_dev);
 	}