diff --git a/roles/bodhi2/backend/templates/pungi.rpm.conf.j2 b/roles/bodhi2/backend/templates/pungi.rpm.conf.j2
index 2e3a2d1e51..fffea32de9 100644
--- a/roles/bodhi2/backend/templates/pungi.rpm.conf.j2
+++ b/roles/bodhi2/backend/templates/pungi.rpm.conf.j2
@@ -215,7 +215,7 @@ image_build = {
     ]
 }
 
-ostree_installer = {
+ostree_installer = [
     ('^Everything$', {
         [% for arch in ['x86_64', 'aarch64', 'ppc64le'] %]
             '[[ arch ]]': {
@@ -249,7 +249,7 @@ ostree_installer = {
         },
         [% endfor %]
     })
-}
+]
 [% endif %]
 {% endif %}