diff --git a/core/src/UrlProcessor.php b/core/src/UrlProcessor.php
index 4d0778cc5e..08ab31199e 100644
--- a/core/src/UrlProcessor.php
+++ b/core/src/UrlProcessor.php
@@ -166,6 +166,10 @@ protected function generateAliasListingFolder(array $ids, &$aliases, &$isFolder)
             ->get();
 
         foreach ($data as $row) {
+            if (empty($row->alias)) {
+                $row->alias = $row->id;
+            }
+
             if ($useAliasPath && $row->parent > 0) {
                 $parent = $row->parent;
                 $path = $aliases[$parent];