diff --git a/binaries/data/mods/official/gui/gui.dtd b/binaries/data/mods/official/gui/gui.dtd
index 002f8c22ab..8b0799ddc3 100755
--- a/binaries/data/mods/official/gui/gui.dtd
+++ b/binaries/data/mods/official/gui/gui.dtd
@@ -107,10 +107,11 @@
 <!--
 	<setup>
 -->
-<!ELEMENT setup (icon|scrollbar|tooltip)*>
+<!ELEMENT setup (icon|scrollbar|tooltip|color)*>
 <!ELEMENT scrollbar EMPTY>
 <!ELEMENT icon EMPTY>
 <!ELEMENT tooltip EMPTY>
+<!ELEMENT color (#PCDATA)>
 
 <!--
 	<scrollbar>
@@ -163,6 +164,13 @@
   hide_object				CDATA #IMPLIED
 >
 
+<!--
+	<color>
+-->
+<!ATTLIST color
+  name					CDATA #REQUIRED
+>
+
 
 <!--
 	<sprites>