diff --git a/installers/charm/keystone/config.yaml b/installers/charm/keystone/config.yaml
index a606d8e..2a54a3d 100644
--- a/installers/charm/keystone/config.yaml
+++ b/installers/charm/keystone/config.yaml
@@ -185,7 +185,7 @@
       user is enabled.
     default: 0
   ldap_user_enabled_default:
-    type: boolean
+    type: string
     description: |
       Most LDAP servers use a boolean or bit in a control field to indicate
       enablement. However, some schemas might use an integer value in an