diff --git a/core/bin/setlib.cfg b/core/bin/setlib.cfg
index 855f819e56..27c93ec191 100644
--- a/core/bin/setlib.cfg
+++ b/core/bin/setlib.cfg
@@ -30,14 +30,12 @@
 # $ENV{FOSWIKI_ASSERTS} = 1;
 # to your bin/LocalLib.cfg
 
-use vars qw( $foswikiLibPath @localPerlLibPath );
+our $foswikiLibPath;
+our @localPerlLibPath;
 
-require FindBin;
-my ($bin) = $FindBin::Bin =~ /^(.*)$/;
-use Cwd ();
-my ($LocalLib) = Cwd::abs_path( "$bin/LocalLib.cfg" ) =~ /(.*)/;
-
-eval 'require "'.$LocalLib.'";';
+my $LocalLib = $INC{'setlib.cfg'}; # the dir where this setlib.cfg resides
+$LocalLib =~ s/setlib.cfg$/LocalLib.cfg/;
+do $LocalLib if -r $LocalLib;
 
 # if foswikiLibPath isn't defined, then see if $twikiLibPath is
 # for compatibility