diff --git a/sugar/activity/Makefile.am b/sugar/activity/Makefile.am
index 1e90df11..1a0aec49 100644
--- a/sugar/activity/Makefile.am
+++ b/sugar/activity/Makefile.am
@@ -2,4 +2,6 @@ sugardir = $(pythondir)/sugar/activity
 sugar_PYTHON =			\
 	__init__.py		\
 	Activity.py		\
-	ActivityFactory.py
+	ActivityFactory.py	\
+	bundle.py		\
+	bundleregistry.py