diff --git a/argocd_sale/models/subscription.py b/argocd_sale/models/subscription.py
index bca19d1..f4b1fc2 100644
--- a/argocd_sale/models/subscription.py
+++ b/argocd_sale/models/subscription.py
@@ -68,6 +68,7 @@ def _invoice_paid_hook(self):
             free_period = subscription._get_free_period()
             if free_period:
                 subscription.recurring_next_date = fields.Datetime.today() + free_period
+            subscription.action_start_subscription()
             lines = subscription.sale_subscription_line_ids.filtered(
                 lambda l: l.product_id.application_template_id
             )
diff --git a/argocd_sale/tests/test_grace_period.py b/argocd_sale/tests/test_grace_period.py
index bb97e76..d470cd8 100644
--- a/argocd_sale/tests/test_grace_period.py
+++ b/argocd_sale/tests/test_grace_period.py
@@ -28,6 +28,9 @@ def setUpClass(cls):
         cls.env["ir.config_parameter"].set_param(
             "argocd_sale.grace_period_tag_id", cls.disable_odoo_tag.id
         )
+        cls.env["ir.config_parameter"].set_param(
+            "argocd_sale.subscription_free_period_type", ""  # Disable free period
+        )
 
     def _create_and_prepare_sub(self, last_date_invoiced, create_invoice=True):
         sub = self.env["sale.subscription"].create(