diff --git a/wizard/adefpat_project_justif_zip_wizard.py b/wizard/adefpat_project_justif_zip_wizard.py
index cc073afe9f760a0bc68f37bf7d9bdec62833cb97..a5ac6e7b12bfcc0b320696432983ae17aa8e764f 100644
--- a/wizard/adefpat_project_justif_zip_wizard.py
+++ b/wizard/adefpat_project_justif_zip_wizard.py
@@ -54,7 +54,7 @@ class AdefpatProjectJustifZip(models.TransientModel):
         else:
             file_name = "bilan"+ str(datetime.now().strftime("%y-%m-%d-%H-%M"))
         json_file_cmis = self.env.user.company_id.proof_justif_cmis
-        self.create_json_file(file_name, virtual_json, json_file_cmis)
+        return self.create_json_file(file_name, virtual_json, json_file_cmis)
 
     @api.multi
     def build_json_project(self, bilan_nb=None):
@@ -154,7 +154,7 @@ class AdefpatProjectJustifZip(models.TransientModel):
         else:
             file_name = "justifs_projets_"+ str(datetime.now().strftime("%y-%m-%d-%H-%M"))
         json_file_cmis = self.env.user.company_id.proof_justif_cmis
-        self.create_json_file(file_name, virtual_json, json_file_cmis)
+        return self.create_json_file(file_name, virtual_json, json_file_cmis)
 
     @api.multi
     def build_json_file_facture_fournisseur(self, bilan_nb=None):