Index: openacs-4/packages/acs-lang/tcl/lang-catalog-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-lang/tcl/lang-catalog-procs.tcl,v
diff -u -r1.60 -r1.60.2.1
--- openacs-4/packages/acs-lang/tcl/lang-catalog-procs.tcl	25 Jul 2018 19:34:13 -0000	1.60
+++ openacs-4/packages/acs-lang/tcl/lang-catalog-procs.tcl	1 Mar 2019 15:10:27 -0000	1.60.2.1
@@ -183,7 +183,7 @@
         # the en_US catalog files directly to add keys and they might mess up the
         # utf-8 encoding of the files when doing so.
         set system_charset [lang::util::charset_for_locale $locale]
-        set file_charset [ad_decode $system_charset "ISO-8859-1" $system_charset utf-8]
+        set file_charset [expr {$system_charset eq "ISO-8859-1" ? $system_charset : "utf-8"}]
     }
 
     set message_backup_prefix ""