diff --git a/app/controllers/backoffice/dossiers_controller.rb b/app/controllers/backoffice/dossiers_controller.rb
index 205904f59..ad0f073be 100644
--- a/app/controllers/backoffice/dossiers_controller.rb
+++ b/app/controllers/backoffice/dossiers_controller.rb
@@ -123,8 +123,8 @@ class Backoffice::DossiersController < Backoffice::DossiersListController
       notice = "Dossier considéré comme sans suite."
       template = dossier.procedure.without_continuation_mail_template
     when "close"
-      dossier.attestation = dossier.build_attestation
       dossier.accepte!
+      dossier.attestation = dossier.build_attestation
       notice = "Dossier traité avec succès."
       template = dossier.procedure.closed_mail_template
     end
diff --git a/app/controllers/new_gestionnaire/dossiers_controller.rb b/app/controllers/new_gestionnaire/dossiers_controller.rb
index af2cead4c..1e45fe4ef 100644
--- a/app/controllers/new_gestionnaire/dossiers_controller.rb
+++ b/app/controllers/new_gestionnaire/dossiers_controller.rb
@@ -89,8 +89,8 @@ module NewGestionnaire
         notice = "Dossier considéré comme sans suite."
         template = procedure.without_continuation_mail_template
       when "accepter"
-        dossier.attestation = dossier.build_attestation
         dossier.accepte!
+        dossier.attestation = dossier.build_attestation
         notice = "Dossier traité avec succès."
         template = procedure.closed_mail_template
       end
diff --git a/spec/controllers/backoffice/dossiers_controller_spec.rb b/spec/controllers/backoffice/dossiers_controller_spec.rb
index 2194a915f..d817aebca 100644
--- a/spec/controllers/backoffice/dossiers_controller_spec.rb
+++ b/spec/controllers/backoffice/dossiers_controller_spec.rb
@@ -358,11 +358,15 @@ describe Backoffice::DossiersController, type: :controller do
         subject { post :process_dossier, params: { process_action: "close", dossier_id: dossier_id, dossier: { motivation: "Yallah" }}}
 
         before do
+          Timecop.freeze(DateTime.now)
+
           expect_any_instance_of(AttestationTemplate)
             .to receive(:attestation_for)
-            .with(have_attributes(motivation: "Yallah"))
+            .with(have_attributes(motivation: "Yallah", processed_at: DateTime.now))
         end
 
+        after { Timecop.return }
+
         it { subject }
       end
     end
diff --git a/spec/controllers/new_gestionnaire/dossiers_controller_spec.rb b/spec/controllers/new_gestionnaire/dossiers_controller_spec.rb
index d53102803..2bb35d7a4 100644
--- a/spec/controllers/new_gestionnaire/dossiers_controller_spec.rb
+++ b/spec/controllers/new_gestionnaire/dossiers_controller_spec.rb
@@ -237,11 +237,15 @@ describe NewGestionnaire::DossiersController, type: :controller do
         end
 
         before do
+          Timecop.freeze(DateTime.now)
+
           expect_any_instance_of(AttestationTemplate)
             .to receive(:attestation_for)
-            .with(have_attributes(motivation: "Yallah"))
+            .with(have_attributes(motivation: "Yallah", processed_at: DateTime.now))
         end
 
+        after { Timecop.return }
+
         it { subject }
       end
     end