diff --git a/mes/hd/nladmin-system/src/main/java/org/nl/wms/pf/wql/QPF_AUTOFORMULA01.wql b/mes/hd/nladmin-system/src/main/java/org/nl/wms/pf/wql/QPF_AUTOFORMULA01.wql
index d4a501f7..543ee282 100644
--- a/mes/hd/nladmin-system/src/main/java/org/nl/wms/pf/wql/QPF_AUTOFORMULA01.wql
+++ b/mes/hd/nladmin-system/src/main/java/org/nl/wms/pf/wql/QPF_AUTOFORMULA01.wql
@@ -333,9 +333,9 @@
                     classstandard.class_code
                 FROM
                     MD_PD_ProductMaterialSet ProductMaterialSet
-                LEFT JOIN md_me_producmaterialext producmaterialext ON producmaterialext.material_id = ProductMaterialSet.material_id
                 left join md_me_materialbase materialbase on materialbase.material_id = ProductMaterialSet.set_material_id
                 LEFT JOIN md_pb_classstandard classstandard ON classstandard.class_id = materialbase.material_type_id
+                LEFT JOIN md_me_producmaterialext producmaterialext ON producmaterialext.material_id = materialbase.material_id
                 WHERE
                     1 = 1
                     and producmaterialext.net_rate>0