diff --git a/i3.nix b/i3.nix
index ccaa2f5..4df49fa 100644
--- a/i3.nix
+++ b/i3.nix
@@ -79,4 +79,20 @@
   services.dbus.packages = with pkgs; [ dunst ];
   systemd.packages = [ pkgs.dunst ];
 
+  # https://github.com/NixOS/nixpkgs/issues/157112
+  nixpkgs.config.packageOverrides = prev:
+    let
+      patchedPkgs = import (builtins.fetchTarball {
+        url = "https://github.com/nixos/nixpkgs/archive/ffdadd3ef9167657657d60daf3fe0f1b3176402d.tar.gz";
+        sha256 = "1nrz4vzjsf3n8wlnxskgcgcvpwaymrlff690f5njm4nl0rv22hkh";
+      }) {
+        inherit (prev) system config;
+        # inherit (prev) overlays;  # not sure
+      };
+      patchedPam = patchedPkgs.pam;
+    in {
+    i3lock = prev.i3lock.override { pam = patchedPam; };
+    i3lock-color = prev.i3lock-color.override { pam = patchedPam; };
+  };
+
 }