diff --git a/classes/Feature.php b/classes/Feature.php
index 5a879fc27..fbf6af072 100644
--- a/classes/Feature.php
+++ b/classes/Feature.php
@@ -320,7 +320,7 @@ class FeatureCore extends ObjectModel
 			JOIN (SELECT @i :=1) dummy
 			ORDER by position
 		) AS f2
-		USING id_feature
+		USING (id_feature)
 		SET f.position = f2.rank - 1');
 	}