diff --git a/manager/ORM/Rows.php b/manager/ORM/Rows.php
index 030288b..9f45d43 100644
--- a/manager/ORM/Rows.php
+++ b/manager/ORM/Rows.php
@@ -865,7 +865,8 @@
 			}
 
 			/* (4) On rédige la clause GROUP BY */
-			$requestS['GROUPBY'] = SQLBuilder::GROUPBY($groupBy);
+			if( count($groupBy) > 0)
+				$requestS['GROUPBY'] = SQLBuilder::GROUPBY($groupBy);
 
 			/* [6] Clause LIMIT
 			=========================================================*/
@@ -880,6 +881,7 @@
 
 			/* (2) On compose la requête  */
 			$requestString = SQLBuilder::BUILD($requestS).';';
+			var_dump($requestString);
 
 			/* (3) On prépare la requête */
 			$request = Database::getPDO()->prepare($requestString);