diff --git a/tools/python/Makefile b/tools/python/Makefile
index a676cdf0e9..ea8040d512 100644
--- a/tools/python/Makefile
+++ b/tools/python/Makefile
@@ -1,7 +1,8 @@
-
 XEN_ROOT = ../..
 include $(XEN_ROOT)/tools/Rules.mk
 
+.PHONY: all build install clean
+
 all: build
 build:
 	CFLAGS="$(CFLAGS)" python setup.py build