diff --git a/addons/point_of_sale/static/src/xml/pos.xml b/addons/point_of_sale/static/src/xml/pos.xml
index fcfc7981155..ff16cdfb60b 100644
--- a/addons/point_of_sale/static/src/xml/pos.xml
+++ b/addons/point_of_sale/static/src/xml/pos.xml
@@ -1269,7 +1269,7 @@
                 <t t-if="line.get_product().tracking!=='none'">
                     <i class="oe_link_icon fa fa-list oe_icon line-lot-icon oe_green" t-if="line.has_valid_product_lot()"
                        aria-label="Valid product lot" role="img" title="Valid product lot"/>
-                    <i class="oe_link_icon fa fa-list oe_icon line-lot-icon oe_red" t-if="not(line.has_valid_product_lot())"
+                    <i class="oe_link_icon fa fa-list oe_icon line-lot-icon oe_red" t-if="!(line.has_valid_product_lot())"
                        aria-label="Invalid product lot" role="img" title="Invalid product lot"/>
                 </t>
             </span>