diff --git a/stock_move_location/wizard/stock_move_location.py b/stock_move_location/wizard/stock_move_location.py
index d2c4c5a8d..dfc1d5c54 100644
--- a/stock_move_location/wizard/stock_move_location.py
+++ b/stock_move_location/wizard/stock_move_location.py
@@ -45,11 +45,10 @@ class StockMoveLocationWizard(models.TransientModel):
         required=True,
         domain=lambda self: self._get_locations_domain(),
     )
-    stock_move_location_line_ids = fields.Many2many(
+    stock_move_location_line_ids = fields.One2many(
+        "wiz.stock.move.location.line",
+        "move_location_wizard_id",
         string="Move Location lines",
-        comodel_name="wiz.stock.move.location.line",
-        column1="move_location_wiz_id",
-        column2="move_location_line_wiz_id",
     )
     picking_type_id = fields.Many2one(
         comodel_name="stock.picking.type", default=_get_default_picking_type_id
diff --git a/stock_move_location/wizard/stock_move_location.xml b/stock_move_location/wizard/stock_move_location.xml
index e3e37bb4f..e286238e0 100644
--- a/stock_move_location/wizard/stock_move_location.xml
+++ b/stock_move_location/wizard/stock_move_location.xml
@@ -41,7 +41,6 @@
                         <field
                             name="stock_move_location_line_ids"
                             nolabel="1"
-                            widget="one2many_list"
                             mode="tree,kanban"
                         >
                             <tree
diff --git a/stock_move_location/wizard/stock_move_location_line.py b/stock_move_location/wizard/stock_move_location_line.py
index 798f2712b..2ef17185f 100644
--- a/stock_move_location/wizard/stock_move_location_line.py
+++ b/stock_move_location/wizard/stock_move_location_line.py
@@ -11,12 +11,8 @@ class StockMoveLocationWizardLine(models.TransientModel):
     _name = "wiz.stock.move.location.line"
     _description = "Wizard move location line"
 
-    move_location_wizard_id = fields.Many2many(
-        string="Move location Wizard",
-        comodel_name="wiz.stock.move.location",
-        column1="move_location_line_wiz_id",
-        column2="move_location_wiz_id",
-        readonly=True,
+    move_location_wizard_id = fields.Many2one(
+        string="Move location Wizard", comodel_name="wiz.stock.move.location",
     )
     product_id = fields.Many2one(
         string="Product", comodel_name="product.product", required=True