diff --git a/Makefile.am b/Makefile.am
index c2b3812d57b3a10ce4d116eac6b4c8d6e4eab2f0..c77b608637861a18cdeebfc320ac8cb037d01f1d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -25,7 +25,8 @@ EXTRA_DIST = COPYRIGHT LICENSE \
 dist_doc_DATA = README COPYRIGHT LICENSE AUTHORS DEPENDENCIES
 
 # main binary
-dist_bin_SCRIPTS = bin/is installsystems/__init__.py
+dist_bin_SCRIPTS = bin/is
+noinst_SCRIPTS = installsystems/__init__.py
 
 # python library
 installsystemsdir=$(pythondir)/installsystems