diff --git a/trunk/build.xml b/trunk/build.xml
index 41bcc6f31b..1e0f85ec08 100644
--- a/trunk/build.xml
+++ b/trunk/build.xml
@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE xml>
 <project name="L2J_Mobius" default="build" basedir=".">
 	<description>
 		This script will build the L2J Server.