diff --git a/uw_cfg_common.module b/uw_cfg_common.module
index 60ac7d9301c8e999fa9c400dffc0fb7213292f32..0467ece1f54ddecf74cf62d1902299f44c2ad149 100644
--- a/uw_cfg_common.module
+++ b/uw_cfg_common.module
@@ -1044,3 +1044,14 @@ function uw_cfg_common_webform_build_access_denied_alter(array &$build, WebformI
     ];
   }
 }
+
+/**
+ * Implements hook_entity_type_alter().
+ *
+ * @param array $entity_types
+ */
+function uw_cfg_common_entity_type_alter(array &$entity_types) {
+
+  // Add validation constraint to the node entity.
+  $entity_types['node']->addConstraint('UwMedia');
+}