diff --git a/sites/development.services.yml b/sites/development.services.yml
index d2857c66f8..0553016c17 100644
--- a/sites/development.services.yml
+++ b/sites/development.services.yml
@@ -4,6 +4,8 @@
 # 'example.settings.local.php' file, which sits next to this file.
 parameters:
   http.response.debug_cacheability_headers: true
+  twig.config:
+    debug: true
 services:
   cache.backend.null:
     class: Drupal\Core\Cache\NullBackendFactory