diff --git a/bigchaindb/commands/utils.py b/bigchaindb/commands/utils.py
index b53938d6..36b78653 100644
--- a/bigchaindb/commands/utils.py
+++ b/bigchaindb/commands/utils.py
@@ -68,6 +68,7 @@ def start(parser, argv, scope):
 
     Args:
         parser: an ArgumentParser instance.
+        argv: the list of command line arguments without the script name.
         scope (dict): map containing (eventually) the functions to be called.
 
     Raises: