diff --git a/modules/social_features/social_content_block/src/ContentBuilder.php b/modules/social_features/social_content_block/src/ContentBuilder.php
index <HASH>..<HASH> 100644
--- a/modules/social_features/social_content_block/src/ContentBuilder.php
+++ b/modules/social_features/social_content_block/src/ContentBuilder.php
@@ -478,7 +478,7 @@ class ContentBuilder implements ContentBuilderInterface {
 
       // Fall back by assuming the sorting option is a field.
       default:
-        $query->orderBy("base_table.${sort_by}");
+        $query->orderBy("base_table.${sort_by}", 'DESC');
     }
 
   }
Issue #<I> by tBKoT: Set DESC sorting as default for the 'Custom content list block' (#<I>)