diff --git a/drivers/staging/vt6655/card.c b/drivers/staging/vt6655/card.c
index b31a6184e794..b6730a8068fd 100644
--- a/drivers/staging/vt6655/card.c
+++ b/drivers/staging/vt6655/card.c
@@ -286,7 +286,7 @@ bool CARDbSetPhyParameter(struct vnt_private *priv, u8 bb_type)
 
 		if (priv->bShortSlotTime) {
 			bySlot = C_SLOT_SHORT;
-			byDIFS = C_SIFS_BG + 2*C_SLOT_SHORT;
+			byDIFS = C_SIFS_BG + 2 * C_SLOT_SHORT;
 		} else {
 			bySlot = C_SLOT_LONG;
 			byDIFS = C_SIFS_BG + 2*C_SLOT_LONG;