diff --git a/modules/purchase/view/purchase_line_form.xml b/modules/purchase/view/purchase_line_form.xml
index b659fda..5d80677 100755
--- a/modules/purchase/view/purchase_line_form.xml
+++ b/modules/purchase/view/purchase_line_form.xml
@@ -16,6 +16,7 @@ this repository contains the full copyright notices and license terms. -->
             <label name="product_supplier"/>
             <field name="product_supplier"/>
             <newline/>
+            <label name="concentration"/>
             <field name="concentration"/>
             <newline/>
             <label name="del_period"/>
diff --git a/modules/sale/view/sale_line_form.xml b/modules/sale/view/sale_line_form.xml
index 66afbf8..26c4fcc 100755
--- a/modules/sale/view/sale_line_form.xml
+++ b/modules/sale/view/sale_line_form.xml
@@ -13,6 +13,7 @@ this repository contains the full copyright notices and license terms. -->
             <label name="product"/>
             <field name="product"
                 view_ids="sale.product_view_list_sale_line"/>
+            <label name="concentration"/>
             <field name="concentration"/>
             <newline/>
             <label name="del_period"/>