diff --git a/lam/po/messages.header b/lam/po/messages.header
index d7615698..da4ac099 100644
--- a/lam/po/messages.header
+++ b/lam/po/messages.header
@@ -11,6 +11,6 @@ msgstr ""
 "Last-Translator: Roland Gruber <post@rolandgruber.de>\n"
 "Language-Team: German <post@rolandgruber.de>\n"
 "MIME-Version: 1.0\n"
-"Content-Type: text/plain; charset=ISO-8859-15\n"
+"Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"