diff --git a/plugins/catalog-backend/src/search/DefaultCatalogCollator.ts b/plugins/catalog-backend/src/search/DefaultCatalogCollator.ts
index 0f7cdb62b4..3e19b38ea6 100644
--- a/plugins/catalog-backend/src/search/DefaultCatalogCollator.ts
+++ b/plugins/catalog-backend/src/search/DefaultCatalogCollator.ts
@@ -82,7 +82,7 @@ export class DefaultCatalogCollator implements DocumentCollator {
   }
 
   private isUserEntity(entity: Entity): entity is UserEntity {
-    return entity.kind.toUpperCase() === 'USER';
+    return entity.kind.toLocaleUpperCase('en-US') === 'USER';
   }
 
   private getDocumentText(entity: Entity): string {