diff --git a/addons/product/i18n/product.pot b/addons/product/i18n/product.pot
index ba1b5a87638..c46b498d459 100644
--- a/addons/product/i18n/product.pot
+++ b/addons/product/i18n/product.pot
@@ -2549,6 +2549,13 @@ msgid ""
 "unit of measure of the product otherwise."
 msgstr ""
 
+#. module: product
+#. odoo-python
+#: code:addons/product/models/product_pricelist_item.py:0
+#, python-format
+msgid "The rounding method must be strictly positive."
+msgstr ""
+
 #. module: product
 #: model:ir.model.fields,help:product.field_product_product__lst_price
 msgid ""
diff --git a/addons/product/models/product_pricelist_item.py b/addons/product/models/product_pricelist_item.py
index 61e59aba56a..571f44c957e 100644
--- a/addons/product/models/product_pricelist_item.py
+++ b/addons/product/models/product_pricelist_item.py
@@ -262,6 +262,11 @@ class PricelistItem(models.Model):
             template_rules.update({'applied_on': '1_product'})
             (self-variants_rules-template_rules).update({'applied_on': '3_global'})
 
+    @api.onchange('price_round')
+    def _onchange_price_round(self):
+        if any(item.price_round and item.price_round < 0.0 for item in self):
+            raise ValidationError(_("The rounding method must be strictly positive."))
+
     #=== CRUD METHODS ===#
 
     @api.model_create_multi