diff --git a/AUTHORS b/AUTHORS
index ae288f7b3b3f..b1149a2b2d6a 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -442,6 +442,7 @@ François Désarménien           <desar@club-internet.fr>
 François Perrad                <francois.perrad@gadz.org>
 Frederic Briere                <fbriere@fbriere.net>
 Fréderic Chauveau              <fmc@pasteur.fr>
+Frosku                         <frosku@frosku.com>
 Fyodor Krasnov                 <fyodor@aha.ru>
 G. Del Merritt                 <del@intranetics.com>
 Gabe Schaffer
diff --git a/dist/PathTools/Cwd.pm b/dist/PathTools/Cwd.pm
index 6a1d2f17ee57..428c31da74f1 100644
--- a/dist/PathTools/Cwd.pm
+++ b/dist/PathTools/Cwd.pm
@@ -3,7 +3,7 @@ use strict;
 use Exporter;
 
 
-our $VERSION = '3.80';
+our $VERSION = '3.81';
 my $xs_version = $VERSION;
 $VERSION =~ tr/_//d;
 
@@ -155,6 +155,8 @@ if($^O ne 'MSWin32') {
     foreach my $try ('/bin/pwd',
 		     '/usr/bin/pwd',
 		     '/QOpenSys/bin/pwd', # OS/400 PASE.
+		     '/run/current-system/profile/bin/pwd', # GUIX
+		     '/run/current-system/sw/bin/pwd' # NixOS
 		    ) {
 	if( -x $try ) {
 	    $pwd_cmd = $try;