diff -Naur compat-wireless-3.0-rc4-1-orig/Makefile compat-wireless-3.0-rc4-1/Makefile
--- compat-wireless-3.0-rc4-1-orig/Makefile	2011-06-24 01:20:08.000000000 -0400
+++ compat-wireless-3.0-rc4-1/Makefile	2011-06-24 01:20:34.000000000 -0400
@@ -154,7 +154,7 @@
 	@echo
 
 btclean:
-	make -C /lib/modules/$(shell uname -r)/build M=$(PWD) BT=TRUE clean
+	$(MAKE) -C /lib/modules/$(shell uname -r)/build M=$(PWD) BT=TRUE clean
 	@rm -f $(CREL_PRE)*
 
 install: uninstall install-modules install-scripts