From 60688d15c7400b6e181c4becab2ef426ff351283 Mon Sep 17 00:00:00 2001
From: Alexandre Abadie <alexandre.abadie@inria.fr>
Date: Tue, 12 Jan 2021 17:24:00 +0100
Subject: [PATCH] tests/usbus_hid: cleanup USB variable access in Makefile

---
 tests/usbus_hid/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/usbus_hid/Makefile b/tests/usbus_hid/Makefile
index 92adda2678..399a2668a0 100644
--- a/tests/usbus_hid/Makefile
+++ b/tests/usbus_hid/Makefile
@@ -6,7 +6,7 @@ USEMODULE += usbus_hid
 
 DISABLE_MODULE += auto_init_usbus
 
-USB_VID ?= ${USB_VID_TESTING}
-USB_PID ?= ${USB_PID_TESTING}
+USB_VID ?= $(USB_VID_TESTING)
+USB_PID ?= $(USB_PID_TESTING)
 
 include $(RIOTBASE)/Makefile.include