diff --git a/addons/stock_delivery/views/delivery_view.xml b/addons/stock_delivery/views/delivery_view.xml
index 64d254111bc..d8d4ddae5db 100644
--- a/addons/stock_delivery/views/delivery_view.xml
+++ b/addons/stock_delivery/views/delivery_view.xml
@@ -24,7 +24,7 @@
                         <field name="delivery_type" invisible="True"/>
                         <label for="carrier_tracking_ref"/>
                         <div name="tracking">
-                            <field name="carrier_tracking_ref" class="oe_inline" readonly="state in ('done', 'cancel')"/>
+                            <field name="carrier_tracking_ref" class="oe_inline text-break" readonly="state in ('done', 'cancel')"/>
                             <button type='object' class="oi oi-arrow-right oe_link" confirm="Cancelling a delivery may not be undoable. Are you sure you want to continue?" name="cancel_shipment" string="Cancel" invisible="not carrier_tracking_ref or delivery_type in ['fixed', 'base_on_rule'] or not delivery_type or state != 'done'"/>
                         </div>
                         <label for="weight" string="Weight"/>