diff --git a/po/sl.po b/po/sl.po
index 70f1ef21d..d68315b08 100644
--- a/po/sl.po
+++ b/po/sl.po
@@ -10,7 +10,7 @@ msgstr ""
 "Last-Translator: Andraz Tori <andraz.tori1@guest.arnes.si>\n"
 "Language-Team: Slovenian <sl@li.org>\n"
 "MIME-Version: 1.0\n"
-"Content-Type: text/plain; charset=iso-8859-2\n"
+"Content-Type: text/plain; charset=iso8859-2\n"
 "Content-Transfer-Encoding: 8bit\n"
 
 #: capplets/gnome-edit-properties/gnome-edit-properties.c:203