diff --git a/po/sl.po b/po/sl.po
index cd1ad50d1..f35c19815 100644
--- a/po/sl.po
+++ b/po/sl.po
@@ -1838,7 +1838,7 @@ msgstr ""
 
 #: libraries/messages.inc.php:417
 msgid "Excel 97-2003 XLS Workbook"
-msgstr "Excelov delovni zvezek 97-2003"
+msgstr "Excelov delovni zvezek 97-2003 XLS"
 
 #: libraries/messages.inc.php:418
 msgid "Excel 2007 XLSX Workbook"