diff --git a/addons/stock/models/stock_move_line.py b/addons/stock/models/stock_move_line.py
index e965ea28d0b..3f966d3e5b1 100644
--- a/addons/stock/models/stock_move_line.py
+++ b/addons/stock/models/stock_move_line.py
@@ -510,6 +510,8 @@ class StockMoveLine(models.Model):
                         candidate.product_uom_qty = 0.0
                     else:
                         candidate.unlink()
+                    if float_is_zero(quantity, precision_rounding=rounding):
+                        break
                 else:
                     # split this move line and assign the new part to our extra move
                     quantity_split = float_round(
@@ -517,8 +519,6 @@ class StockMoveLine(models.Model):
                         precision_rounding=self.product_uom_id.rounding,
                         rounding_method='UP')
                     candidate.product_uom_qty = self.product_id.uom_id._compute_quantity(quantity_split, candidate.product_uom_id, rounding_method='HALF-UP')
-                    quantity -= quantity_split
                     move_to_recompute_state |= candidate.move_id
-                if quantity == 0.0:
                     break
             move_to_recompute_state._recompute_state()
diff --git a/addons/stock/tests/test_move.py b/addons/stock/tests/test_move.py
index 1ce26f22f1f..9a48f814abe 100644
--- a/addons/stock/tests/test_move.py
+++ b/addons/stock/tests/test_move.py
@@ -1854,6 +1854,48 @@ class StockMove(TransactionCase):
         self.assertAlmostEqual(move_pack_cust.reserved_availability, 1.0)
         self.assertEqual(move_pack_cust.state, 'partially_available')
 
+    def test_use_reserved_move_line_1(self):
+        """ Test that _free_reservation work when quantity is only available on
+        reserved move lines.
+        """
+        self.env['stock.quant']._update_available_quantity(self.product1, self.stock_location, 10.0)
+        move1 = self.env['stock.move'].create({
+            'name': 'test_use_unreserved_move_line_1_1',
+            'location_id': self.stock_location.id,
+            'location_dest_id': self.customer_location.id,
+            'product_id': self.product1.id,
+            'product_uom': self.uom_unit.id,
+            'product_uom_qty': 5.0,
+        })
+        move2 = self.env['stock.move'].create({
+            'name': 'test_use_unreserved_move_line_1_1',
+            'location_id': self.stock_location.id,
+            'location_dest_id': self.customer_location.id,
+            'product_id': self.product1.id,
+            'product_uom': self.uom_unit.id,
+            'product_uom_qty': 5.0,
+        })
+        move1._action_confirm()
+        move1._action_assign()
+        move2._action_confirm()
+        move2._action_assign()
+        move3 = self.env['stock.move'].create({
+            'name': 'test_use_unreserved_move_line_1_1',
+            'location_id': self.stock_location.id,
+            'location_dest_id': self.customer_location.id,
+            'product_id': self.product1.id,
+            'product_uom': self.uom_unit.id,
+            'product_uom_qty': 0.0,
+            'quantity_done': 1.0,
+        })
+        move3._action_confirm()
+        move3._action_assign()
+        move3._action_done()
+        self.assertEqual(move3.state, 'done')
+        quant = self.env['stock.quant']._gather(self.product1, self.stock_location)
+        self.assertEqual(quant.quantity, 9.0)
+        self.assertEqual(quant.reserved_quantity, 9.0)
+
     def test_use_unreserved_move_line_1(self):
         """ Test that validating a stock move linked to an untracked product reserved by another one
         correctly unreserves the other one.