diff --git a/models/cgscop_form_coop_demande.py b/models/cgscop_form_coop_demande.py
index d313082a13c2729809b399b7697dbcf18e0247b6..a771c8192c69d822f37f6e69511dd213c8818200 100644
--- a/models/cgscop_form_coop_demande.py
+++ b/models/cgscop_form_coop_demande.py
@@ -599,6 +599,7 @@ class CgscopFormCoopDemande(models.Model):
             'default_res_id': self.id,
             'default_use_template': bool(template_id),
             'default_template_id': template_id.id,
+            'default_composition_mode': 'mass_mail',
         }
         return {
             'type': 'ir.actions.act_window',
diff --git a/models/cgscop_form_coop_demande_collective.py b/models/cgscop_form_coop_demande_collective.py
index a0fde52baae77e800c58f81c0618333ae865d601..55d55f46059e673995ea66bc23fda5a0eafac36c 100644
--- a/models/cgscop_form_coop_demande_collective.py
+++ b/models/cgscop_form_coop_demande_collective.py
@@ -494,6 +494,7 @@ class CgscopFormCoopDemandeCollective(models.Model):
             'default_res_id': self.id,
             'default_use_template': bool(template_id),
             'default_template_id': template_id.id,
+            'default_composition_mode': 'mass_mail',
         }
         return {
             'type': 'ir.actions.act_window',
diff --git a/wizard/cgscop_form_coop_collective_refus_wizard.py b/wizard/cgscop_form_coop_collective_refus_wizard.py
index 694757c32142dda160ecffb261b00795ad09652f..014e9e377c0614dcddebd41741721bf139b7f89d 100644
--- a/wizard/cgscop_form_coop_collective_refus_wizard.py
+++ b/wizard/cgscop_form_coop_collective_refus_wizard.py
@@ -72,6 +72,7 @@ class CgscopFormCoopCollectiveRefusWizard(models.TransientModel):
             'default_res_id': self.demande_id.id,
             'default_use_template': bool(template_id),
             'default_template_id': template_id.id,
+            'default_composition_mode': 'mass_mail',
         }
 
         return {
diff --git a/wizard/cgscop_form_coop_refus_wizard.py b/wizard/cgscop_form_coop_refus_wizard.py
index 7e6de0a5667b641cffd23dd97cee784de42b542a..f58cca5a0384388204f05dab65dddab5511f8a74 100644
--- a/wizard/cgscop_form_coop_refus_wizard.py
+++ b/wizard/cgscop_form_coop_refus_wizard.py
@@ -64,6 +64,7 @@ class CgscopFormCoopRefusWizard(models.TransientModel):
             'default_res_id': self.demande_id.id,
             'default_use_template': bool(template_id),
             'default_template_id': template_id.id,
+            'default_composition_mode': 'mass_mail',
         }
 
         return {