diff --git a/bibtool.rsc b/bibtool.rsc
index 27790ce2..55d078f9 100644
--- a/bibtool.rsc
+++ b/bibtool.rsc
@@ -15,4 +15,7 @@ print.wide.equal = on
 % use braces instead of double quotes as delimiters
 resource braces
 
+% translate iso 8859/1 characters to latex
+resource iso2tex
+
 sort = on