diff -Nur google_appliance.orig/google_appliance.module google_appliance/google_appliance.module
--- google_appliance.orig/google_appliance.module	2009-08-21 11:08:46.000000000 +0200
+++ google_appliance/google_appliance.module	2010-11-30 10:01:45.000000000 +0100
@@ -1189,7 +1189,7 @@
         '<meta name="@name" content="!content" />',
         array(
           '@name' => google_appliance_sgml_id_name($name), //see HTML4, 7.4.4 Meta data
-          '!content' => htmlentities($content, ENT_QUOTES),
+          '!content' => htmlentities($content, ENT_QUOTES, 'UTF-8'),
         )
       ));
     }