diff --git a/bt5/erp5_accounting/WorkflowTemplateItem/portal_workflow/accounting_workflow/scripts/validateTransaction.xml b/bt5/erp5_accounting/WorkflowTemplateItem/portal_workflow/accounting_workflow/scripts/validateTransaction.xml
index 03739b7ce044244c65cee084ce0e466f71d92a38..38f25ad87d934215e9b092c34080cb6f971acfa6 100755
--- a/bt5/erp5_accounting/WorkflowTemplateItem/portal_workflow/accounting_workflow/scripts/validateTransaction.xml
+++ b/bt5/erp5_accounting/WorkflowTemplateItem/portal_workflow/accounting_workflow/scripts/validateTransaction.xml
@@ -77,7 +77,7 @@ transaction = state_change[\'object\']\n
 skip_period_validation = state_change[\'kwargs\'].get(\'skip_period_validation\', 0)\n
 transition = state_change[\'transition\']\n
 if transition.id in (\'plan_action\', \'confirm_action\') :\n
-  skip_period_validation = 0\n
+  skip_period_validation = 1\n
 \n
 if transaction.getStopDate() in (None, \'\') : \n
   error_message = \'date is not defined\'\n