Index: applications/editors/josm/i18n/i18n.pl
===================================================================
--- applications/editors/josm/i18n/i18n.pl	(revision 21519)
+++ applications/editors/josm/i18n/i18n.pl	(revision 21523)
@@ -195,4 +195,5 @@
   my ($str) = @_;
   $str =~ s/\\"/"/g;
+  $str =~ s/\\\\/\\/g;
   $str =~ s/\\n/\n/g;
   $str = encode("utf8", $str);