diff --git a/modules/home-manager/hypr/hyprland-customization.nix b/modules/home-manager/hypr/hyprland-customization.nix
index 0868f97..629edf2 100644
--- a/modules/home-manager/hypr/hyprland-customization.nix
+++ b/modules/home-manager/hypr/hyprland-customization.nix
@@ -69,8 +69,8 @@
 
       binde = [
         # Fn keys
-        ", code:232, exec, brightnessctl set +5%"
-        ", code:233, exec, brightnessctl set -5%"
+        ", code:232, exec, brightnessctl set -5%"
+        ", code:231, exec, brightnessctl set +5%"
         ", XF86AudioRaiseVolume, exec, wpctl set-volume -l 1 @DEFAULT_AUDIO_SINK@ 5%+"
         ", XF86AudioLowerVolume, exec, wpctl set-volume -l 1 @DEFAULT_AUDIO_SINK@ 5%-"
         ", XF86AudioMute, exec, wpctl set-mute @DEFAULT_AUDIO_SINK@ toggle"
diff --git a/modules/home-manager/hypr/hyprpaper.nix b/modules/home-manager/hypr/hyprpaper.nix
index 4260f85..43c6ce7 100644
--- a/modules/home-manager/hypr/hyprpaper.nix
+++ b/modules/home-manager/hypr/hyprpaper.nix
@@ -4,23 +4,30 @@
  ...
 }:
 with lib; let
-  # load the wallpapers from the wallpapers directory
-  wallpapers = builtins.readDir ../../../wallpapers;
+  # load the wallpapers from the wallpapers directory - this gives a set with the folder content
+  dirContent = builtins.readDir ../../../wallpapers;
+  # only keep regular (the true files) as a list
+  # loop over the set and keep the values where the key is "regular"
+  wallpapersIntermediate = attrsToList dirContent;
+  # remove the attr, keep the value
+  wallpapers = map (x: x.value) wallpapersIntermediate;
+
+  wallpaperString = lib.strings.concatMapStrings (x: " " + x) wallpapers;
 
   # script that picks a random wallpaper from the array and sets it as the desktop background
   monitor = ""; # leave empty to set the wallpaper on all monitors
 
-  randomizer = pkgs.writeShellScriptBin "wallpaperRandomizer" ''
-    wallpaper=$(shuf -n 1 -e ${wallpapers[@]})
+  wallpaperRandomizer = pkgs.writeShellScriptBin "wallpaperRandomizer" ''
+    wallpaper=$(shuf -n 1 -e ${wallpaperString})
     hyprctl hyprpaper unload all
     hyprctl hyprpaper preload $wallpaper
-    hyprctl hyprpaper wallpaper "${monitor},${wallpaper}"
+    hyprctl hyprpaper wallpaper "${monitor},$wallpaper"
   '';
 
 in {
   home.packages = [wallpaperRandomizer];
 
-  
+
 
   services.hyprpaper = {
     enable = true;
@@ -56,4 +63,4 @@ in {
       Install = {WantedBy = ["timers.target"];};
     };
   };
-}
\ No newline at end of file
+}