diff --git a/matsim/cli/main.py b/matsim/cli/main.py
index 4e1dc5f..f323455 100644
--- a/matsim/cli/main.py
+++ b/matsim/cli/main.py
@@ -3,8 +3,7 @@
 
 from argparse import ArgumentParser
 
-import clean_iters as ci
-
+from . import clean_iters as ci
 
 def main():
     """ Main entry point. """