diff --git a/fixtures/base.py b/fixtures/base.py
index ec422a3..83d0be6 100644
--- a/fixtures/base.py
+++ b/fixtures/base.py
@@ -38,6 +38,7 @@
         endpoint_type=os.environ["OS_ENDPOINT_TYPE"],
         cert=False,
         domain=os.environ['OS_PROJECT_DOMAIN_NAME'],
+        interface=os.environ["OS_ENDPOINT_TYPE"],
     )
 
 
@@ -136,6 +137,8 @@
         auth_url=os.environ['OS_AUTH_URL'],
         cert=False,
         domain=os.environ['OS_PROJECT_DOMAIN_NAME'],
+        endpoint_type=os.environ['OS_ENDPOINT_TYPE'],
+        interface=os.environ['OS_ENDPOINT_TYPE']
     )