diff --git a/lib/ansible/modules/extras/cloud/openstack/os_project.py b/lib/ansible/modules/extras/cloud/openstack/os_project.py
index b159264ebd4..b900d42f164 100644
--- a/lib/ansible/modules/extras/cloud/openstack/os_project.py
+++ b/lib/ansible/modules/extras/cloud/openstack/os_project.py
@@ -156,7 +156,7 @@ def main():
 
     name = module.params['name']
     description = module.params['description']
-    domain = module.params['domain_id']
+    domain = module.params.pop('domain_id')
     enabled = module.params['enabled']
     state = module.params['state']