Index: src/main/groovy/servlet/GroovyServlet.java
===================================================================
--- src/main/groovy/servlet/GroovyServlet.java	(revision 11562)
+++ src/main/groovy/servlet/GroovyServlet.java	(working copy)
@@ -105,7 +105,7 @@
         final String scriptUri = getScriptUri(request);
 
         // Set it to HTML by default
-        response.setContentType("text/html");
+        response.setContentType("text/html;charset="+encoding);
 
         // Set up the script context
         final Binding binding = new ServletBinding(request, response, servletContext);