diff --git a/cps/__init__.py b/cps/__init__.py
index 118b46ff..34ccf438 100644
--- a/cps/__init__.py
+++ b/cps/__init__.py
@@ -19,6 +19,7 @@
 #
 #  You should have received a copy of the GNU General Public License
 #  along with this program. If not, see <http://www.gnu.org/licenses/>.
+__package__ = "cps"
 
 import sys
 import os