diff --git a/usb/usb_standard/src/main/js/default/test/UsbPortJsunitEx.test.js b/usb/usb_standard/src/main/js/default/test/UsbPortJsunitEx.test.js
index 2e0490d2d6e43c1735b86146c34611eb7165a2f9..402e4421aa5692bbc000b99487f9d26c236b4625 100755
--- a/usb/usb_standard/src/main/js/default/test/UsbPortJsunitEx.test.js
+++ b/usb/usb_standard/src/main/js/default/test/UsbPortJsunitEx.test.js
@@ -53,7 +53,7 @@ describe('UsbPortJsFunctionsTestEx', function () {
     }
 
     expect(usbPortList.length > 0).assertTrue();
-    gPort = usbPortList[0].id
+    gPort = usbPortList[0]
     var portID = usbPortList[0].id + 10
     var maskCode = usb.getSupportedModes(portID)
     expect(maskCode).assertEqual(usb.NONE);