diff --git a/tests/pillar/single_ceph.sls b/tests/pillar/single_ceph.sls
index 5e28763..bbee546 100644
--- a/tests/pillar/single_ceph.sls
+++ b/tests/pillar/single_ceph.sls
@@ -2,6 +2,7 @@
   server:
     enabled: true
     version: liberty
+    workers: 1
     database:
       engine: mysql
       host: localhost
@@ -35,4 +36,4 @@
       user: glance
       pool: glance-images
       chunk_size: 8
-      client_glance_key: AQAqcXhWk+3UARAAGmV4USB6I7wLJ/W+dVbUWw==
\ No newline at end of file
+      client_glance_key: AQAqcXhWk+3UARAAGmV4USB6I7wLJ/W+dVbUWw==