diff --git a/addons/purchase/purchase_wizard.xml b/addons/purchase/purchase_wizard.xml
index 886846ca48e..e7fd3ce6efc 100644
--- a/addons/purchase/purchase_wizard.xml
+++ b/addons/purchase/purchase_wizard.xml
@@ -1,6 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <openerp>
-    <data>
-        <wizard id="purchase_order_merge" model="purchase.order" multi="True" name="purchase.order.merge" string="Merge purchases"/>
-    </data>
+  <data>
+    <wizard id="purchase_order_merge"
+            model="purchase.order"
+            multi="True"
+            keyword="client_action_multi"
+            name="purchase.order.merge"
+            string="Merge purchases"/>
+  </data>
 </openerp>