diff --git a/mrp_production_serial_matrix/wizards/mrp_production_serial_matrix.py b/mrp_production_serial_matrix/wizards/mrp_production_serial_matrix.py
index 7d1fb2e9b..2bf4ea96c 100644
--- a/mrp_production_serial_matrix/wizards/mrp_production_serial_matrix.py
+++ b/mrp_production_serial_matrix/wizards/mrp_production_serial_matrix.py
@@ -71,11 +71,8 @@ class MrpProductionSerialMatrix(models.TransientModel):
                 if not ll.component_lot_id:
                     continue
                 lot_consumption.setdefault(ll.component_lot_id, 0)
-                available_quantity = self.env["stock.quant"]._get_available_quantity(
-                    ll.component_id,
-                    ll.production_id.location_src_id,
-                    lot_id=ll.component_lot_id,
-                )
+                free_qty, reserved_qty = ll._get_available_and_reserved_quantities()
+                available_quantity = free_qty + reserved_qty
                 if (
                     available_quantity - lot_consumption[ll.component_lot_id]
                     < ll.lot_qty
diff --git a/mrp_production_serial_matrix/wizards/mrp_production_serial_matrix_line.py b/mrp_production_serial_matrix/wizards/mrp_production_serial_matrix_line.py
index 54cc15245..590da4782 100644
--- a/mrp_production_serial_matrix/wizards/mrp_production_serial_matrix_line.py
+++ b/mrp_production_serial_matrix/wizards/mrp_production_serial_matrix_line.py
@@ -36,3 +36,18 @@ class MrpProductionSerialMatrix(models.TransientModel):
                 ]
             )
             rec.allowed_component_lot_ids = available_quants.mapped("lot_id")
+
+    def _get_available_and_reserved_quantities(self):
+        self.ensure_one()
+        available_quantity = self.env["stock.quant"]._get_available_quantity(
+            self.component_id,
+            self.production_id.location_src_id,
+            lot_id=self.component_lot_id,
+        )
+        move_lines = self.production_id.move_raw_ids.mapped("move_line_ids").filtered(
+            lambda l: l.product_id == self.component_id
+            and l.lot_id == self.component_lot_id
+            and l.state not in ["done", "cancel"]
+        )
+        specifically_reserved_quantity = sum(move_lines.mapped("product_uom_qty"))
+        return available_quantity, specifically_reserved_quantity