diff --git a/addons/account/account_invoice.py b/addons/account/account_invoice.py
index b37118c3baa..409551585fa 100644
--- a/addons/account/account_invoice.py
+++ b/addons/account/account_invoice.py
@@ -402,6 +402,7 @@ class account_invoice(osv.osv):
             'default_res_id': ids[0],
             'default_use_template': True,
             'default_template_id': template_id,
+            'default_composition_mode': 'comment',
             })
         return {
             'view_type': 'form',
diff --git a/addons/purchase/purchase.py b/addons/purchase/purchase.py
index 0227e74905f..5bb38316604 100644
--- a/addons/purchase/purchase.py
+++ b/addons/purchase/purchase.py
@@ -395,6 +395,7 @@ class purchase_order(osv.osv):
             'default_res_id': ids[0],
             'default_use_template': True,
             'default_template_id': template_id,
+            'default_composition_mode': 'comment',
             })
         return {
             'view_type': 'form',
diff --git a/addons/sale/sale.py b/addons/sale/sale.py
index 3c21492827f..5fe84c34bc3 100644
--- a/addons/sale/sale.py
+++ b/addons/sale/sale.py
@@ -645,6 +645,7 @@ class sale_order(osv.osv):
             'default_res_id': ids[0],
             'default_use_template': True,
             'default_template_id': template_id,
+            'default_composition_mode': 'comment',
             'mark_so_as_sent': True
         })
         return {