diff --git a/bam/__init__.py b/bam/__init__.py
index 918510b..a930212 100644
--- a/bam/__init__.py
+++ b/bam/__init__.py
@@ -1,11 +1,8 @@
 # -*- coding: utf-8 -*-
 
-import sys
 __version__ = "1.0"
 
-def main(argv=sys.argv):
-    from .cli import main
-    sys.exit(main(argv[1:]))
-
 if __name__ == '__main__':
-    sys.exit(main(sys.argv))
+    from .cli import main
+
+    main()