diff --git a/addons/delivery/views/delivery_view.xml b/addons/delivery/views/delivery_view.xml
index 3a8cd8740ecd0a1245956970776ee9d1dda329c3..5a0ce1a0ac349dfc71bbf2b24602c12681ad32d0 100644
--- a/addons/delivery/views/delivery_view.xml
+++ b/addons/delivery/views/delivery_view.xml
@@ -216,7 +216,7 @@
                         <field name="delivery_type" attrs="{'invisible':True}"/>
                         <label for="carrier_tracking_ref"/>
                         <div name="tracking">
-                            <field name="carrier_tracking_ref" class="oe_inline" attrs="{'readonly': [('state', 'in', ('done', 'cancel'))]}"/>
+                            <field name="carrier_tracking_ref" class="oe_inline text-break" attrs="{'readonly': [('state', 'in', ('done', 'cancel'))]}"/>
                             <button type='object' class="fa fa-arrow-right oe_link" name="cancel_shipment" string="Cancel" attrs="{'invisible':['|','|','|',('carrier_tracking_ref','=',False),('delivery_type','in', ['fixed', 'base_on_rule']),('delivery_type','=',False),('state','not in',('done'))]}"/>
                         </div>
                         <label for="weight" string="Weight"/>