diff --git a/CHANGELOG b/CHANGELOG
index 7004ae522e..230f4605a6 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -17,6 +17,7 @@
 * Make global cache depends on explicit context keys
 * Don't add to global cache Binary fields
 * Add MatchMixin
+* Add image widget to tree
 * Remove context, current_date and time from record rule evaluation
 
 Version 3.2.0 - 2014-04-21
diff --git a/trytond/ir/ui/tree.rnc b/trytond/ir/ui/tree.rnc
index 7260f0e411..925331ecb3 100644
--- a/trytond/ir/ui/tree.rnc
+++ b/trytond/ir/ui/tree.rnc
@@ -41,6 +41,7 @@ attlist.field &=
     | "reference"
     | "one2one"
     | "binary"
+    | "image"
   }?
 attlist.field &=
   [ a:defaultValue = "0" ] attribute tree_invisible { "0" | "1" }?
@@ -49,6 +50,7 @@ attlist.field &=
 attlist.field &= attribute icon { text }?
 attlist.field &= attribute sum { text }?
 attlist.field &= attribute width { text }?
+attlist.field &= attribute height { text }?
 attlist.field &=
   [ a:defaultValue = "left_to_right" ] attribute orientation {
     "left_to_right"
diff --git a/trytond/ir/ui/tree.rng b/trytond/ir/ui/tree.rng
index 4d16918080..0508c44392 100644
--- a/trytond/ir/ui/tree.rng
+++ b/trytond/ir/ui/tree.rng
@@ -111,6 +111,7 @@
           <value>reference</value>
           <value>one2one</value>
           <value>binary</value>
+          <value>image</value>
         </choice>
       </attribute>
     </optional>
@@ -150,6 +151,11 @@
       <attribute name="width"/>
     </optional>
   </define>
+  <define name="attlist.field" combine="interleave">
+    <optional>
+      <attribute name="height"/>
+    </optional>
+  </define>
   <define name="attlist.field" combine="interleave">
     <optional>
       <attribute name="orientation" a:defaultValue="left_to_right">