diff --git a/modules/purchase_trade/view/btb_form.xml b/modules/purchase_trade/view/btb_form.xml
index a9f4d92..6dd2617 100644
--- a/modules/purchase_trade/view/btb_form.xml
+++ b/modules/purchase_trade/view/btb_form.xml
@@ -1,9 +1,9 @@
-<form col="4">
+<form col="8">
     <label name="reference"/>
     <field name="reference" colspan="2"/>
     <newline/>
     <label name="purchase"/>
-    <field name="purchase" mode="form" view_ids="purchase_trade.purchase_btb_view_form" colspan="2"/>
+    <field name="purchase" mode="form" view_ids="purchase_trade.purchase_btb_view_form" colspan="4"/>
     <label name="sale"/>
-    <field name="sale" mode="form" view_ids="purchase_trade.sale_btb_view_form" colspan="2"/>
+    <field name="sale" mode="form" view_ids="purchase_trade.sale_btb_view_form" colspan="4"/>
 </form>
\ No newline at end of file