diff --git a/build/os2/Bakefiles.os2.bkgen b/build/os2/Bakefiles.os2.bkgen
index 4c734710df..a0271ec548 100644
--- a/build/os2/Bakefiles.os2.bkgen
+++ b/build/os2/Bakefiles.os2.bkgen
@@ -1,7 +1,7 @@
 <?xml version="1.0" ?>
 <!-- $Id$ -->
 
-<bakefile-gen>
+<bakefile-gen xmlns="http://www.bakefile.org/schema/bakefile-gen">
 
     <add-flags formats="watcom">
         -DPLATFORM_OS2=1