diff --git a/tasks/main.yml b/tasks/main.yml
index bcb14ec9..9bf78de3 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -52,7 +52,7 @@
   static: no
   when:
     - "'glance_api' in group_names"
-    - "inventory_hostname == (groups['glance_api'] | intersect(ansible_play_hosts))[0]"
+    - "inventory_hostname == ((groups['glance_api'] | intersect(ansible_play_hosts)) | list)[0]"
   tags:
     - glance-config
 
@@ -60,7 +60,7 @@
   static: no
   when:
     - "'glance_api' in group_names"
-    - "inventory_hostname == (groups['glance_api'] | intersect(ansible_play_hosts))[0]"
+    - "inventory_hostname == ((groups['glance_api'] | intersect(ansible_play_hosts)) | list)[0]"
   tags:
     - glance-config