diff --git a/roles/glance/vars/main.yml b/roles/glance/vars/main.yml
index 82362f9..9f62885 100644
--- a/roles/glance/vars/main.yml
+++ b/roles/glance/vars/main.yml
@@ -43,7 +43,7 @@
         workers: 8
       cors:
         allowed_origins: "*"
-      image_formats:
+      image_format:
         disk_formats: "qcow2,raw"
       oslo_messaging_notifications:
         driver: noop