diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index ac854d75bd6c..c71a48da9a31 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -327,7 +327,7 @@ static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 	 * this limit so reduce the number to prevent errors.
 	 */
 	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_LIMIT,
-			   ((rt2x00dev->ops->rx->entry_num * DATA_FRAME_SIZE)
+			   ((rt2x00dev->rx->limit * DATA_FRAME_SIZE)
 			    / 1024) - 3);
 	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_EN, 1);
 	rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1);