diff --git a/fusion_claims/models/technician_task.py b/fusion_claims/models/technician_task.py
index fae97735..7f13d2e0 100644
--- a/fusion_claims/models/technician_task.py
+++ b/fusion_claims/models/technician_task.py
@@ -533,7 +533,7 @@ class FusionTechnicianTaskClaims(models.Model):
             'duration_hours': dur,
             'is_in_store': in_shop,
             'x_fc_service_call_type': '%s_%s' % (category, timing),
-            'description': payload.get('description') or payload.get('issue') or '',
+            'description': payload.get('description') or payload.get('issue') or _('Service booking'),
         }
         if partner:
             task_vals['partner_id'] = partner.id
diff --git a/fusion_claims/tests/test_service_booking.py b/fusion_claims/tests/test_service_booking.py
index 1dc6cba2..caed18a4 100644
--- a/fusion_claims/tests/test_service_booking.py
+++ b/fusion_claims/tests/test_service_booking.py
@@ -18,11 +18,15 @@ class TestServiceBooking(TransactionCase):
         })
 
     def test_task_without_order_is_allowed(self):
-        # repair for a brand-new client: no SO/PO must NOT raise after the relax
+        # No SO/PO must NOT raise after the relax. description is required and a
+        # non-in-store task needs an address, so set both here to isolate the test
+        # to the order-link relaxation (not those unrelated base constraints).
         t = self.Task.create({
             'task_type': 'repair',
             'technician_id': self.tech.id,
             'scheduled_date': date(2026, 6, 3),
+            'description': 'Test repair',
+            'is_in_store': True,
         })
         self.assertTrue(t.id)