diff --git a/pos_pricelist/static/src/js/models.js b/pos_pricelist/static/src/js/models.js
index bf87dae9..e5715dd1 100644
--- a/pos_pricelist/static/src/js/models.js
+++ b/pos_pricelist/static/src/js/models.js
@@ -113,7 +113,7 @@ function pos_pricelist_models(instance, module) {
                 var qty = this.compute_qty(options.order, options.product);
                 var partner = options.order.get_client();
                 var product = options.product;
-                var db = self.posmodel.db;
+                var db = this.pos.db;
                 var price = this.compute_price_all(db, product, partner, qty);
                 if (price !== false && price !== 0.0) {
                     this.price = price;
diff --git a/pos_pricelist/static/src/js/screens.js b/pos_pricelist/static/src/js/screens.js
index b2d674ec..830d9fcf 100644
--- a/pos_pricelist/static/src/js/screens.js
+++ b/pos_pricelist/static/src/js/screens.js
@@ -27,7 +27,7 @@ function pos_pricelist_screens(instance, module) {
                     var line = orderLines[i];
                     var partner = currentOrder.get_client();
                     var product = line.product;
-                    var db = self.posmodel.db;
+                    var db = this.pos.db;
                     var quantity = line.quantity;
                     var price = line.compute_price_all(db, product, partner, quantity);
                     if (price !== false && price !== 0.0) {