diff --git a/heatclient/osc/v1/software_config.py b/heatclient/osc/v1/software_config.py
index 41eccd20..dcfa5d66 100644
--- a/heatclient/osc/v1/software_config.py
+++ b/heatclient/osc/v1/software_config.py
@@ -80,6 +80,7 @@ class ListConfig(command.Lister):
         parser.add_argument(
             '--limit',
             metavar='<limit>',
+            type=int,
             help=_('Limit the number of configs returned')
         )
         parser.add_argument(
diff --git a/heatclient/osc/v1/stack.py b/heatclient/osc/v1/stack.py
index 583e18bb..e12ed55f 100644
--- a/heatclient/osc/v1/stack.py
+++ b/heatclient/osc/v1/stack.py
@@ -537,6 +537,7 @@ class ListStack(command.Lister):
         parser.add_argument(
             '--limit',
             metavar='<limit>',
+            type=int,
             help=_('The number of stacks returned')
         )
         parser.add_argument(
diff --git a/heatclient/tests/unit/osc/v1/test_software_config.py b/heatclient/tests/unit/osc/v1/test_software_config.py
index f2afcb1c..3d544bdb 100644
--- a/heatclient/tests/unit/osc/v1/test_software_config.py
+++ b/heatclient/tests/unit/osc/v1/test_software_config.py
@@ -83,7 +83,7 @@ class TestListConfig(TestConfig):
         arglist = ['--limit', '3']
         parsed_args = self.check_parser(self.cmd, arglist, [])
         self.cmd.take_action(parsed_args)
-        self.mock_client.software_configs.list.assert_called_with(limit='3')
+        self.mock_client.software_configs.list.assert_called_with(limit=3)
 
     def test_config_list_marker(self):
         arglist = ['--marker', 'id123']