diff --git a/addons/sale_timesheet/models/sale_order.py b/addons/sale_timesheet/models/sale_order.py
index 9738c8e0c5d..827d43aa3d1 100644
--- a/addons/sale_timesheet/models/sale_order.py
+++ b/addons/sale_timesheet/models/sale_order.py
@@ -89,7 +89,7 @@ class SaleOrder(models.Model):
                 sol.qty_delivered,
                 sol.product_uom_qty * (sol.product_id.service_upsell_threshold or 1.0),
                 precision_digits=precision
-            ) >= 0
+            ) > 0
         )
 
     def action_view_timesheet(self):
diff --git a/addons/sale_timesheet/tests/test_upsell_warning.py b/addons/sale_timesheet/tests/test_upsell_warning.py
index f87c10ea2d4..8fc8f5f6584 100644
--- a/addons/sale_timesheet/tests/test_upsell_warning.py
+++ b/addons/sale_timesheet/tests/test_upsell_warning.py
@@ -25,7 +25,7 @@ class TestUpsellWarning(TestCommonSaleTimesheet):
         """
         # 1) Configure the upsell warning in prepaid service product
         self.product_order_timesheet1.write({
-            'service_upsell_threshold': 0.6,
+            'service_upsell_threshold': 0.5,
         })
 
         # 2) Create SO with a SOL containing this updated product