diff --git a/server/tests/helpers/mcp-test-controllers.ts b/server/tests/helpers/mcp-test-controllers.ts
index 4bd624c42..c563aa420 100644
--- a/server/tests/helpers/mcp-test-controllers.ts
+++ b/server/tests/helpers/mcp-test-controllers.ts
@@ -160,7 +160,7 @@ export function createMcpTestRegistry(): McpRegistry {
   return createTestRegistry(
     [
       new TagsMcp(new TagsService(dbService), authService),
-      new CategoriesMcp(new CategoriesService(dbService)),
+      new CategoriesMcp(new CategoriesService(dbService), authService, guards),
       // The weather and airport tools left the legacy mapsWeather registrar.
       new WeatherMcp(new WeatherService()),
       new AirportsMcp(),