diff --git a/drivers/staging/rtl8188eu/hal/fw.c b/drivers/staging/rtl8188eu/hal/fw.c
index af93697a6ab9..70825e05fae9 100644
--- a/drivers/staging/rtl8188eu/hal/fw.c
+++ b/drivers/staging/rtl8188eu/hal/fw.c
@@ -65,10 +65,12 @@ static void _rtl88e_fw_block_write(struct adapter *adapt,
 	blk_cnt = size / blk_sz;
 	remain = size % blk_sz;
 
+	offset = 0;
+
 	for (i = 0; i < blk_cnt; i++) {
-		offset = i * blk_sz;
 		usb_write32(adapt, (FW_8192C_START_ADDRESS + offset),
 				pu4BytePtr[i]);
+		offset += blk_sz;
 	}
 
 	if (remain) {