diff --git a/src/main/gwt/com/samskivert/Mustache.gwt.xml b/src/main/gwt/com/samskivert/Mustache.gwt.xml
index 9c563a2..3e41822 100644
--- a/src/main/gwt/com/samskivert/Mustache.gwt.xml
+++ b/src/main/gwt/com/samskivert/Mustache.gwt.xml
@@ -1,4 +1,4 @@
-<!-- defines our GWT module -->
+<?xml version="1.0" encoding="UTF-8"?>
 <module>
   <source path="mustache"/>
   <super-source path="super"/>