diff --git a/tempest/scenario/test_encrypted_cinder_volumes.py b/tempest/scenario/test_encrypted_cinder_volumes.py
index 3e354dc..cc9fb28 100644
--- a/tempest/scenario/test_encrypted_cinder_volumes.py
+++ b/tempest/scenario/test_encrypted_cinder_volumes.py
@@ -79,6 +79,8 @@
         self.attach_detach_volume(server, volume)
 
     @decorators.idempotent_id('cbc752ed-b716-4717-910f-956cce965722')
+    @testtools.skipIf(CONF.volume.storage_protocol == 'ceph',
+                      'Skip because ceph does not support Provider plain.')
     @decorators.attr(type='slow')
     @testtools.skipUnless(
         'plain' in CONF.volume_feature_enabled.supported_crypto_providers,