diff --git a/planetutils/planet.py b/planetutils/planet.py
index 8c6f404..f8b699d 100644
--- a/planetutils/planet.py
+++ b/planetutils/planet.py
@@ -18,7 +18,7 @@ def __init__(self, osmpath=None, grain='hour', changeset_url=None, osmosis_workd
     def command(self, args):
         log.debug(args)
         return subprocess.check_output(
-            cmd,
+            args,
             shell=False
         )