diff --git a/tiramisu_cmdline_parser/api.py b/tiramisu_cmdline_parser/api.py
index 3a6dc38..3b64696 100644
--- a/tiramisu_cmdline_parser/api.py
+++ b/tiramisu_cmdline_parser/api.py
@@ -545,6 +545,8 @@ class TiramisuCmdlineParser(ArgumentParser):
                 elif option.type() == 'choice' and not option.isfollower():
                     # do not manage choice with argparse there is problem with integer problem
                     kwargs['choices'] = get_choice_list(obj, properties, False)
+                elif option.type() == 'float':
+                    kwargs['type'] = float
                 else:
                     pass
             actions.setdefault(option.name(), []).append(kwargs)