diff --git a/js/apps/admin-ui/src/identity-providers/add/DescriptorSettings.tsx b/js/apps/admin-ui/src/identity-providers/add/DescriptorSettings.tsx
index 38856db8ae..2b59c9a4bf 100644
--- a/js/apps/admin-ui/src/identity-providers/add/DescriptorSettings.tsx
+++ b/js/apps/admin-ui/src/identity-providers/add/DescriptorSettings.tsx
@@ -297,6 +297,7 @@ const Fields = ({ readOnly }: DescriptorSettingsProps) => {
               name="config.useMetadataDescriptorUrl"
               label={t("useMetadataDescriptorUrl")}
               isDisabled={readOnly}
+              stringify
             />
             {useMetadataDescriptorUrl !== "true" && (
               <TextAreaControl