diff --git a/pyredex/utils.py b/pyredex/utils.py
index b2e85b5a69b..153e4fd7180 100644
--- a/pyredex/utils.py
+++ b/pyredex/utils.py
@@ -418,7 +418,7 @@ def __call__(self, parser, namespace, values, option_string=None):
     parser.add_argument(
         f"--{on_prefix}{flag_name}",
         f"--{off_prefix}{flag_name}",
-        dest=flag_name,
+        dest=flag_name.replace("-", "_"),
         action=FlagAction,
         default=False,
         **kwargs,