diff --git a/drivers/staging/rt2860/common/rtmp_mcu.c b/drivers/staging/rt2860/common/rtmp_mcu.c
index 9f03901433bbddb05c756ca4a2db9666ca2c0b38..e80f587cff1ade002574b9d982cd240809c25cc5 100644
--- a/drivers/staging/rt2860/common/rtmp_mcu.c
+++ b/drivers/staging/rt2860/common/rtmp_mcu.c
@@ -221,7 +221,7 @@ int RtmpAsicSendCommandToMcu(struct rt_rtmp_adapter *pAd,
 				 ("AsicSendCommanToMcu::Mail box is busy\n"));
 		} while (i++ < 100);
 
-		if (i >= 100) {
+		if (i > 100) {
 			DBGPRINT_ERR(("H2M_MAILBOX still hold by MCU. command fail\n"));
 			return FALSE;
 		}