diff --git a/trytond/ir/ui/board.dtd b/trytond/ir/ui/board.dtd
index 7053fda7b7..204f4b03a9 100644
--- a/trytond/ir/ui/board.dtd
+++ b/trytond/ir/ui/board.dtd
@@ -7,6 +7,7 @@
 <!ATTLIST image expand (0|1) "0">
 <!ATTLIST image fill (0|1) "0">
 <!ATTLIST image help CDATA #IMPLIED>
+<!ATTLIST image states CDATA #IMPLIED>
 <!ELEMENT separator EMPTY>
 <!ATTLIST separator string CDATA "">
 <!ATTLIST separator name CDATA #IMPLIED>
diff --git a/trytond/ir/ui/form.dtd b/trytond/ir/ui/form.dtd
index 45e68cf63b..c706e942f5 100644
--- a/trytond/ir/ui/form.dtd
+++ b/trytond/ir/ui/form.dtd
@@ -56,6 +56,7 @@
 <!ATTLIST image expand (0|1) "0">
 <!ATTLIST image fill (0|1) "0">
 <!ATTLIST image help CDATA #IMPLIED>
+<!ATTLIST image states CDATA #IMPLIED>
 <!ELEMENT separator EMPTY>
 <!ATTLIST separator string CDATA "">
 <!ATTLIST separator name CDATA #IMPLIED>