diff --git a/addons/mrp/i18n/mrp.pot b/addons/mrp/i18n/mrp.pot
index c85998a4bc1..5e0eaf9128d 100644
--- a/addons/mrp/i18n/mrp.pot
+++ b/addons/mrp/i18n/mrp.pot
@@ -3244,7 +3244,13 @@ msgid "You can not delete a Bill of Material with running manufacturing orders.\
 msgstr ""
 
 #. module: mrp
-#: code:addons/mrp/models/stock_move.py:123
+#: code:addons/mrp/models/stock_move.py:40
+#, python-format
+msgid "You can only produce 1.0 %s for products with unique serial number."
+msgstr ""
+
+#. module: mrp
+#: code:addons/mrp/models/stock_move.py:135
 #, python-format
 msgid "You cannot cancel a move move having already consumed material"
 msgstr ""
diff --git a/addons/mrp/models/stock_move.py b/addons/mrp/models/stock_move.py
index 608d11e9bce..5cb92a5025c 100644
--- a/addons/mrp/models/stock_move.py
+++ b/addons/mrp/models/stock_move.py
@@ -29,13 +29,15 @@ class StockMoveLots(models.Model):
     plus_visible = fields.Boolean("Plus Visible", compute='_compute_plus')
 
     @api.one
-    @api.constrains('lot_id')
+    @api.constrains('lot_id', 'quantity_done')
     def _check_lot_id(self):
         if self.move_id.product_id.tracking == 'serial':
             lots = set([])
             for move_lot in self.move_id.move_lot_ids.filtered(lambda r: not r.lot_produced_id):
                 if move_lot.lot_id in lots:
                     raise exceptions.UserError(_('You cannot use the same serial number in two different lines.'))
+                if float_compare(move_lot.quantity_done, 1.0, precision_rounding=move_lot.product_id.uom_id.rounding) == 1:
+                    raise exceptions.UserError(_('You can only produce 1.0 %s for products with unique serial number.') % move_lot.product_id.uom_id.name)
                 lots.add(move_lot.lot_id)
 
     def _compute_plus(self):