diff -Naur src/xproto.xml src/xproto.xml
--- src/xproto.xml	2009-12-02 10:06:59.000000000 +0100
+++ src/xproto.xml	2010-10-21 19:35:57.938000001 +0200
@@ -1296,8 +1296,8 @@
     <reply>
       <field type="BOOL" name="same_screen" />
       <field type="WINDOW" name="child" altenum="Window" />
-      <field type="CARD16" name="dst_x" />
-      <field type="CARD16" name="dst_y" />
+      <field type="INT16" name="dst_x" />
+      <field type="INT16" name="dst_y" />
     </reply>
   </request>