diff --git a/tempest/api/compute/admin/test_servers.py b/tempest/api/compute/admin/test_servers.py
index bc00f8c..321078c 100644
--- a/tempest/api/compute/admin/test_servers.py
+++ b/tempest/api/compute/admin/test_servers.py
@@ -25,6 +25,8 @@
 class ServersAdminTestJSON(base.BaseV2ComputeAdminTest):
     """Tests Servers API using admin privileges"""
 
+    create_default_network = True
+
     @classmethod
     def setup_clients(cls):
         super(ServersAdminTestJSON, cls).setup_clients()
diff --git a/tempest/api/compute/images/test_images_oneserver.py b/tempest/api/compute/images/test_images_oneserver.py
index 23f8326..2b859da 100644
--- a/tempest/api/compute/images/test_images_oneserver.py
+++ b/tempest/api/compute/images/test_images_oneserver.py
@@ -24,6 +24,8 @@
 class ImagesOneServerTestJSON(base.BaseV2ComputeTest):
     """Test server images API"""
 
+    create_default_network = True
+
     @classmethod
     def resource_setup(cls):
         super(ImagesOneServerTestJSON, cls).resource_setup()