diff --git a/drivers/net/wireless/marvell/mwifiex/usb.c b/drivers/net/wireless/marvell/mwifiex/usb.c
index 426e39d4ccf0..c24ec27d4057 100644
--- a/drivers/net/wireless/marvell/mwifiex/usb.c
+++ b/drivers/net/wireless/marvell/mwifiex/usb.c
@@ -693,7 +693,7 @@ static int mwifiex_write_data_sync(struct mwifiex_adapter *adapter, u8 *pbuf,
 	struct usb_card_rec *card = adapter->card;
 	int actual_length, ret;
 
-	if (!(*len % card->bulk_out_maxpktsize))
+	if (card->bulk_out_maxpktsize && !(*len % card->bulk_out_maxpktsize))
 		(*len)++;
 
 	/* Send the data block */