diff --git a/tools/make_test_data.py b/tools/make_test_data.py
index b6e686522..f06b634b3 100755
--- a/tools/make_test_data.py
+++ b/tools/make_test_data.py
@@ -33,7 +33,7 @@ from ceilometer.openstack.common import timeutils
 
 
 def main():
-    cfg.CONF([])
+    cfg.CONF([], project='ceilometer')
 
     parser = argparse.ArgumentParser(
         description='generate metering data',