diff --git a/addons/mrp/models/mrp_workorder.py b/addons/mrp/models/mrp_workorder.py
index ec8756d543f..5c93e0d14fa 100644
--- a/addons/mrp/models/mrp_workorder.py
+++ b/addons/mrp/models/mrp_workorder.py
@@ -248,7 +248,8 @@ class MrpWorkorder(models.Model):
                     'date_from': wo.date_start,
                     'date_to': wo.date_finished,
                 })
-            elif wo.date_start and wo.date_finished:
+            elif wo.date_start:
+                wo.date_finished = wo._calculate_date_finished()
                 wo.leave_id = wo.env['resource.calendar.leaves'].create({
                     'name': wo.display_name,
                     'calendar_id': wo.workcenter_id.resource_calendar_id.id,
@@ -407,6 +408,9 @@ class MrpWorkorder(models.Model):
     def _onchange_date_finished(self):
         if self.date_start and self.date_finished and self.workcenter_id:
             self.duration_expected = self._calculate_duration_expected()
+        if not self.date_finished and self.date_start:
+            raise UserError(_("It is not possible to unplan one single Work Order. "
+                              "You should unplan the Manufacturing Order instead in order to unplan all the linked operations."))
 
     def _calculate_duration_expected(self, date_start=False, date_finished=False):
         interval = self.workcenter_id.resource_calendar_id.get_work_duration_data(
diff --git a/addons/mrp/tests/test_order.py b/addons/mrp/tests/test_order.py
index 7967b98dcee..f270cf746d3 100644
--- a/addons/mrp/tests/test_order.py
+++ b/addons/mrp/tests/test_order.py
@@ -3841,3 +3841,39 @@ class TestMrpOrder(TestMrpCommon):
         production.button_mark_done()
 
         self.assertEqual(production.workorder_ids.duration_expected, init_duration_expected + 5)
+
+    def test_multi_edit_start_date_wo(self):
+        """
+        Test setting the start date for multiple workorders, checking if the finish date
+        will be set too. As if the finish date is not set the planned workorder will not
+        be shown in planning gantt view
+        """
+        mo = self.env['mrp.production'].create({
+            'product_id': self.product.id,
+            'product_uom_id': self.bom_1.product_uom_id.id,
+        })
+
+        wos = self.env['mrp.workorder'].create([
+            {
+                'name': 'Test order',
+                'workcenter_id': self.workcenter_1.id,
+                'product_uom_id': self.bom_1.product_uom_id.id,
+                'production_id': mo.id,
+                'duration_expected': 1.0
+            },
+            {
+                'name': 'Test order2',
+                'workcenter_id': self.workcenter_2.id,
+                'product_uom_id': self.bom_1.product_uom_id.id,
+                'production_id': mo.id,
+                'duration_expected': 2.0
+            }
+        ])
+        dt = datetime(2024, 1, 17, 11)
+        wos.date_start = dt
+
+        self.assertEqual(wos[0].date_start, dt)
+        self.assertEqual(wos[1].date_start, dt)
+
+        self.assertEqual(wos[0].date_finished, dt + timedelta(hours=1, minutes=1))
+        self.assertEqual(wos[1].date_finished, dt + timedelta(hours=1, minutes=2))