diff --git a/tools/overduerules.pl b/tools/overduerules.pl
index a7d65102ad..61c05b656a 100755
--- a/tools/overduerules.pl
+++ b/tools/overduerules.pl
@@ -86,7 +86,7 @@ if ($op eq 'save') {
     my $sth_delete=$dbh->prepare("DELETE FROM overduerules WHERE branchcode=? AND categorycode=?");
     foreach my $key (@names){
             # ISSUES
-            if ($key =~ /(.*)([1-3])-(.*)/) {
+            if ($key =~ /(delay|letter)([1-3])-(.*)/) {
                     my $type = $1; # data type
                     my $num = $2; # From 1 to 3
                     my $bor = $3; # borrower category