diff -r ab552da976a3 tools/firmware/Makefile
--- a/tools/firmware/Makefile	Wed Apr 11 18:28:33 2012 +0200
+++ b/tools/firmware/Makefile	Fri Apr 13 16:22:23 2012 +0200
@@ -32,7 +32,7 @@ ifeq ($(CONFIG_ROMBIOS),y)
 	false ; \
 	fi
 endif
-	$(MAKE) subdirs-$@
+	$(MAKE) PYTHON=$(PYTHON) subdirs-$@
 
 
 .PHONY: install