--- files/pkg-install.in	(revision 508915)
+++ files/pkg-install.in	(working copy)
@@ -10,6 +10,6 @@ 
 POST-INSTALL)
 	echo fritzing shared files owned by fritzing user
 	chown -R fritzing:fritzing %%PREFIX%%/share/fritzing
-	chmod -R g+w %%PREFIX%%/share/fritzing
+	chmod -R g+w,o-x %%PREFIX%%/share/fritzing
 ;;
 esac