diff --git a/openwrt/wifi.go b/openwrt/wifi.go
index 97174d7..9507b9f 100644
--- a/openwrt/wifi.go
+++ b/openwrt/wifi.go
@@ -36,7 +36,7 @@ func (w *Wifi) GetWifiCells() int {
 
 	for res.Stdout == "Scanning not possible" {
 		time.Sleep(1)
-		res := w.exec.Run("iwinfo", w.iface, "scan")
+		res = w.exec.Run("iwinfo", w.iface, "scan")
 		if res.ReturnCode != 0 {
 			log.Fatal(res.Stderr)
 			return res.ReturnCode