diff --git a/network/wifi_station.go b/network/wifi_station.go
index 4d5e4359..68f2ed79 100644
--- a/network/wifi_station.go
+++ b/network/wifi_station.go
@@ -21,7 +21,7 @@ func cleanESSID(essid string) string {
 		if strconv.IsPrint(c) {
 			res += string(c)
 		} else {
-			res += fmt.Sprintf("{0x%02x}", c)
+			break
 		}
 	}
 	return res