diff --git a/wizard/acc_operation_import_wizard.py b/wizard/acc_operation_import_wizard.py
index 85faabf14c3ac35396cb61702c0e98724aefe746..3c6ac720330325ea4cc7773f7d2141e55066f4ff 100644
--- a/wizard/acc_operation_import_wizard.py
+++ b/wizard/acc_operation_import_wizard.py
@@ -77,7 +77,7 @@ class AccOperationImportWizard(models.TransientModel):
 
         # Vérification si des données existent déjà pour cet intervalle de date
         rec_ids = self.env[self.model].search(
-            self._get_read_group_domain(
+            self.env[self.model]._get_read_group_domain(
                 acc_operation_id=self.operation_id.id,
                 start_date=date_begin_obj,
                 end_date=date_end_obj,