diff --git a/modules/home-manager/desktop/sway/default.nix b/modules/home-manager/desktop/sway/default.nix
index 7de3dd6..14ecdbe 100644
--- a/modules/home-manager/desktop/sway/default.nix
+++ b/modules/home-manager/desktop/sway/default.nix
@@ -13,6 +13,16 @@ in
       description = "configure laptop mode";
     };
 
+    swaylock.useNullPackage = mkOption {
+      type = types.bool;
+      default = false;
+      description = ''
+        Use null package to not install swaylock with Nix
+        Useful when using Home-Manager on third-party distribution to avoid
+        problem with PAM
+      '';
+    };
+
     wallpapers = {
       lockscreen = mkOption {
         type = types.str;
@@ -114,7 +124,7 @@ in
       };
       iconTheme = {
         name = "Papirus Dark";
-        package = pkgs.papirus-icon-theme; 
+        package = pkgs.papirus-icon-theme;
       };
       font = {
         name = "Deja Vu Sans";
diff --git a/modules/home-manager/desktop/sway/includes/sway.nix b/modules/home-manager/desktop/sway/includes/sway.nix
index d556c05..f93d2c6 100644
--- a/modules/home-manager/desktop/sway/includes/sway.nix
+++ b/modules/home-manager/desktop/sway/includes/sway.nix
@@ -76,7 +76,7 @@ in
           "${mod}+Alt+k" = "kill";
           "${mod}+Alt+c" = "reload";
           "${mod}+Alt+Backspace" = "exec swaynag -t warning -m 'Exit sway?' -B 'Yes' 'swaymsg exit'";
-          "${mod}+Alt+l" = "exec ${pkgs.swaylock}/bin/swaylock";
+          "${mod}+Alt+l" = if cfg.swaylock.useNullPackage then "exec swaylock" else "exec ${pkgs.swaylock}/bin/swaylock";
         # Manage windows placement
           "${mod}+b" = "splith";
           "${mod}+v" = "splitv";
diff --git a/modules/home-manager/desktop/sway/includes/swayidle.nix b/modules/home-manager/desktop/sway/includes/swayidle.nix
index 1b22575..5a274da 100644
--- a/modules/home-manager/desktop/sway/includes/swayidle.nix
+++ b/modules/home-manager/desktop/sway/includes/swayidle.nix
@@ -21,11 +21,11 @@ in
       events = [
         {
           event = "before-sleep";
-          command = "${pkgs.swaylock}/bin/swaylock -f";
+          command = if cfg.swaylock.useNullPackage then "swaylock" else "${pkgs.swaylock}/bin/swaylock";
         }
         {
           event = "lock";
-          command = "${pkgs.swaylock}/bin/swaylock -f";
+          command = if cfg.swaylock.useNullPackage then "swaylock" else "${pkgs.swaylock}/bin/swaylock";
         }
       ];
     };
diff --git a/modules/home-manager/desktop/sway/includes/swaylock.nix b/modules/home-manager/desktop/sway/includes/swaylock.nix
index 0bacc89..b0340ef 100644
--- a/modules/home-manager/desktop/sway/includes/swaylock.nix
+++ b/modules/home-manager/desktop/sway/includes/swaylock.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }: 
+{ config, lib, pkgs, ... }:
 with lib;
 let
   cfg = config.modules.desktop.sway;
@@ -6,9 +6,10 @@ in
 {
   config = mkIf config.modules.desktop.sway.enable {
     programs.swaylock = {
+      package = if cfg.swaylock.useNullPackage then null else pkgs.swaylock;
       enable = true;
       settings = {
-        image = "${cfg.wallpapers.lockscreen}";
+        image = if cfg.wallpapers.lockscreen != "" then "${cfg.wallpapers.lockscreen}" else false;
         scaling = "center";
         color = "000000";
         indicator-radius = 70;
@@ -22,7 +23,7 @@ in
         ring-wrong-color = "f268b3";
         inside-wrong-color = "f268b3cc";
         key-hl-color = "1cd180";
-        caps-lock-key-hl-color = "1cd180"; 
+        caps-lock-key-hl-color = "1cd180";
         caps-lock-bs-hl-color = "f268b3";
         bs-hl-color = "f268b3ff";
         separator-color = "00000000";