diff --git a/lib/py/Makefile.am b/lib/py/Makefile.am
index a91d28c..99aa2ce 100644
--- a/lib/py/Makefile.am
+++ b/lib/py/Makefile.am
@@ -1,7 +1,7 @@
 DESTDIR ?= /
 EXTRA_DIST = setup.py src
 
-all:
+all-local:
 	$(PYTHON) setup.py build
 
 # We're ignoring prefix here because site-packages seems to be