diff --git a/src/registrar/management/commands/master_domain_migrations.py b/src/registrar/management/commands/master_domain_migrations.py
index 206b63276..bfd34c944 100644
--- a/src/registrar/management/commands/master_domain_migrations.py
+++ b/src/registrar/management/commands/master_domain_migrations.py
@@ -93,7 +93,7 @@ class Command(BaseCommand):
         # The following file arguments have default values for running in the sandbox
         parser.add_argument(
             "--migrationDirectory",
-            default="migrationData",
+            default="migrationdata",
             help=(
                 "The location of the files used for"
                 "load_transition_domain migration script"