diff --git a/addons/mrp_repair/views/mrp_repair_views.xml b/addons/mrp_repair/views/mrp_repair_views.xml
index 741feb27bbb..44d302d20a6 100644
--- a/addons/mrp_repair/views/mrp_repair_views.xml
+++ b/addons/mrp_repair/views/mrp_repair_views.xml
@@ -50,7 +50,7 @@
                     </h1>
                     <group>
                         <group>
-                            <field name="tracking" invisible="1"/>
+                            <field name="tracking" invisible="1" attrs="{'readonly': 1}"/>
                             <field name="product_id" domain="[('type', 'in', ['product', 'consu'])]"/>
                             <label for="product_qty"/>
                             <div class="o_row">