diff --git a/view/relation_tree.xml b/view/relation_tree.xml
index a396a88936..51fd69d09f 100644
--- a/view/relation_tree.xml
+++ b/view/relation_tree.xml
@@ -2,7 +2,7 @@
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
 <tree>
-    <field name="from_"/>
-    <field name="type"/>
-    <field name="to"/>
+    <field name="from_" expand="2"/>
+    <field name="type" expand="1"/>
+    <field name="to" expand="2"/>
 </tree>
diff --git a/view/relation_type_tree.xml b/view/relation_type_tree.xml
index 95ec260c9c..490fb1a235 100644
--- a/view/relation_type_tree.xml
+++ b/view/relation_type_tree.xml
@@ -2,6 +2,6 @@
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
 <tree>
-    <field name="name"/>
-    <field name="reverse"/>
+    <field name="name" expand="1"/>
+    <field name="reverse" expand="1"/>
 </tree>