diff --git a/addons/mrp/mrp_view.xml b/addons/mrp/mrp_view.xml
index acc4002289f..a7eb2009295 100644
--- a/addons/mrp/mrp_view.xml
+++ b/addons/mrp/mrp_view.xml
@@ -189,7 +189,7 @@
             <field name="arch" type="xml">
                 <search string="Search for mrp workcenter">
                    <group>
-                        <field name="name" string="mrp workcenter" filter_domain="['|'('name','ilike',self),('code','ilike',self)]"/>
+                        <field name="name" string="mrp workcenter" filter_domain="['|',('name','ilike',self),('code','ilike',self)]"/>
                         <separator orientation="vertical"/>
                         <filter string="Inactive" icon="terp-gdu-smart-failing" domain="[('active','=',False)]"/>
                         <separator orientation="vertical"/>
@@ -288,7 +288,7 @@
             <field name="type">search</field>
             <field name="arch" type="xml">
                 <search string="Routing">
-                    <field name="name" string="Routing" filter_domain="['|'('name','ilike',self),('code','ilike',self)]"/>
+                    <field name="name" string="Routing" filter_domain="['|',('name','ilike',self),('code','ilike',self)]"/>
                     <separator orientation="vertical"/>
                     <filter string="Inactive" icon="terp-gdu-smart-failing" domain="[('active','=',False)]"/>
                     <separator orientation="vertical"/>
@@ -388,7 +388,7 @@
             <field name="arch" type="xml">
                 <search string="Search Bill Of Material">
                     <group>
-                         <field name="name" string="Bill Of Material" filter_domain="['|'('name','ilike',self),('code','ilike',self)]"/>
+                         <field name="name" string="Bill Of Material" filter_domain="['|',('name','ilike',self),('code','ilike',self)]"/>
                          <separator orientation="vertical"/>
                          <field name="product_id"/>
                          <field name="company_id" groups="base.group_multi_company"/>
@@ -775,7 +775,7 @@
             <field name="arch" type="xml">
                 <search string="Search Production">
                    <group>
-                       <field name="name" string="Production" filter_domain="['|'('name','ilike',self),('origin','ilike',self)]"/>
+                       <field name="name" string="Production" filter_domain="['|',('name','ilike',self),('origin','ilike',self)]"/>
                        <separator orientation="vertical"/>
                        <filter icon="terp-gtk-media-pause" string="Pending" name="pending"
                            domain="[('state','=','confirmed')]"