diff --git a/drivers/staging/wlan-ng/prism2mgmt.c b/drivers/staging/wlan-ng/prism2mgmt.c
index f63704a54073..16fb2d3e0f51 100644
--- a/drivers/staging/wlan-ng/prism2mgmt.c
+++ b/drivers/staging/wlan-ng/prism2mgmt.c
@@ -293,7 +293,7 @@ int prism2mgmt_scan(struct wlandevice *wlandev, void *msgp)
 
 	result = hfa384x_drvr_setconfig(hw,
 					HFA384x_RID_HOSTSCAN, &scanreq,
-					sizeof(struct hfa384x_host_scan_request_data));
+					sizeof(scanreq));
 	if (result) {
 		netdev_err(wlandev->netdev,
 			   "setconfig(SCANREQUEST) failed. result=%d\n",