diff --git a/patacrep/tools/__main__.py b/patacrep/tools/__main__.py
index 2072ab6a..bad366ff 100644
--- a/patacrep/tools/__main__.py
+++ b/patacrep/tools/__main__.py
@@ -39,6 +39,7 @@ def commandline_parser():
         description="List of available subcommands.",
         )
     subparsers.required = True
+    subparsers.dest = "subcommand"
     subparsers.add_submodules("patacrep.tools")
 
     return parser