diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index a04ff6ef63cd..6fd827cd72b9 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -16150,6 +16150,12 @@
     githubId = 1538622;
     name = "Michael Reilly";
   };
+  ondt = {
+    name = "Ondrej Telka";
+    email = "nix@ondt.dev";
+    github = "ondt";
+    githubId = 20520951;
+  };
   onedragon = {
     name = "YiLong Liu";
     email = "18922251299@163.com";
diff --git a/pkgs/misc/screensavers/xtrlock-pam/default.nix b/pkgs/misc/screensavers/xtrlock-pam/default.nix
index 25ac90175914..7c3bba246cb7 100644
--- a/pkgs/misc/screensavers/xtrlock-pam/default.nix
+++ b/pkgs/misc/screensavers/xtrlock-pam/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, python2, pkg-config, pam, xorg }:
+{ lib, stdenv, fetchFromGitHub, python39, pkg-config, pam, xorg }:
 
 stdenv.mkDerivation {
   pname = "xtrlock-pam";
@@ -12,7 +12,7 @@ stdenv.mkDerivation {
   };
 
   nativeBuildInputs = [ pkg-config ];
-  buildInputs = [ python2 pam xorg.libX11 ];
+  buildInputs = [ python39 pam xorg.libX11 ];
 
   configurePhase = ''
     substituteInPlace .config/options.py --replace /usr/include/security/pam_appl.h ${pam}/include/security/pam_appl.h
@@ -24,7 +24,7 @@ stdenv.mkDerivation {
     homepage = "https://github.com/aanatoly/xtrlock-pam";
     description = "PAM based X11 screen locker";
     license = "unknown";
-    maintainers = [ ];
+    maintainers = with lib.maintainers; [ ondt ];
     platforms = with lib.platforms; linux;
   };
 }