diff --git a/App/tools/driver.makefile b/App/tools/driver.makefile
index 1cd5c9b..08c482f 100644
--- a/App/tools/driver.makefile
+++ b/App/tools/driver.makefile
@@ -472,7 +472,7 @@ install build:
 %:
 	@true
 
-else ifeq ($(shell which $(firstword ${CC})),)
+else ifeq ($(shell PATH=$(PATH) which $(firstword ${CC})),)
 
 install% build%: build
 install build: