diff --git a/misc/link_bibs_to_authorities.pl b/misc/link_bibs_to_authorities.pl
index e3f9bdc824..0fc9c26f1a 100755
--- a/misc/link_bibs_to_authorities.pl
+++ b/misc/link_bibs_to_authorities.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 
 use strict;
-#use warnings; FIXME - Bug 2505
+use warnings;
 BEGIN {
     # find Koha's Perl modules
     # test carefully before changing this