diff --git a/addons/mrp/mrp_workflow.xml b/addons/mrp/mrp_workflow.xml
index ad1cac64345..e590c47380b 100644
--- a/addons/mrp/mrp_workflow.xml
+++ b/addons/mrp/mrp_workflow.xml
@@ -117,7 +117,7 @@
         <!-- Procurement -->
 
         <record id="act_need_production" model="workflow.activity">
-            <field name="wkf_id" ref="wkf_procurement"/>
+            <field name="wkf_id" ref="procurement.wkf_procurement"/>
             <field name="name">need_production</field>
         </record>
         <record id="act_produce" model="workflow.activity">
diff --git a/addons/project_mrp/project_mrp_workflow.xml b/addons/project_mrp/project_mrp_workflow.xml
index b1ad8411dc2..d6b4130b21f 100644
--- a/addons/project_mrp/project_mrp_workflow.xml
+++ b/addons/project_mrp/project_mrp_workflow.xml
@@ -2,7 +2,7 @@
 <openerp>
     <data>
         <record id="act_produce_service" model="workflow.activity">
-            <field name="wkf_id" ref="wkf_procurement"/>
+            <field name="wkf_id" ref="procurement.wkf_procurement"/>
             <field name="name">produce_service</field>
             <field name="kind">function</field>
             <field name="action">action_produce_assign_service()</field>