diff -r d5b6908e4da5 -r f81da251d0aa web/ldt/ldt_utils/views.py
--- a/web/ldt/ldt_utils/views.py	Thu Jun 10 20:49:13 2010 +0200
+++ b/web/ldt/ldt_utils/views.py	Fri Jun 11 00:17:30 2010 +0200
@@ -207,7 +207,9 @@
     if mimetype is None:
         mimetype = "application/json; charset=utf-8"
     else:
-        mimetype.encode("utf-8") 
+        mimetype = mimetype.encode("utf-8")
+    if "charset" not in mimetype:
+        mimetype += "; charset=utf-8" 
     resp = HttpResponse(mimetype=mimetype)
     resp['Cache-Control']='no-cache, must-revalidate'
     resp['Pragma']='no-cache'