diff --git a/default.nix b/default.nix
index 081f7dc..fe213fb 100644
--- a/default.nix
+++ b/default.nix
@@ -7,7 +7,7 @@ let
   callPackage = super.lib.callPackageWith self;
   _self = {
     xPlaneEnv = callPackage ./x-plane { xplanePathStr = "/home/games/xplane";
-      addons = [ headshake beautifulRoads samBasic samGlobalTrees flyWithLua vividSky airportEnvHD betterLights extendedNightLights ]; };
+      addons = [ headshake beautifulRoads samBasic samGlobalTrees flyWithLua vividSky airportEnvHD betterLights extendedNightLights toLissA321 ]; };
     xPlaneSDK = callPackage ./x-plane/sdk.nix {};
 
     airportEnvHD = callPackage ./x-plane/airport-env-hd.nix {};
@@ -20,6 +20,7 @@ let
     samSuite = callPackage ./x-plane/sam-suite {};
     samBasic = callPackage ./x-plane/sam-suite/sam-basic.nix {};
     samGlobalTrees = callPackage ./x-plane/sam-suite/global-trees.nix {};
+    toLissA321 = callPackage ./x-plane/toliss-A321.nix {};
     vividSky = callPackage ./x-plane/vivid-sky.nix {};
 
     # flightgear = libsForQt5.callPackage ./flightgear { };
diff --git a/x-plane/default.nix b/x-plane/default.nix
index 4a5b1c0..2077615 100644
--- a/x-plane/default.nix
+++ b/x-plane/default.nix
@@ -80,7 +80,7 @@ let
          ''))) uniqueAddons));
 
   revertScript = writeScript "x-plane-addons-revert" ''
-    #!${stdenv.shell}
+    #!/bin/sh
     set -e
     : ''${XPLANEPATH:=${xplanePathStr}}
     printf "Reverting modifications made to %s\n" "$XPLANEPATH";
@@ -104,7 +104,7 @@ in buildFHSUserEnv rec {
 
   # Also add GAppsWrapper environment stuff such that binaries see the GTK theme...
 
-  targetPkgs = pkgs: (with pkgs; [ unzip atk gdk_pixbuf cairo pango mesa_glu libGL openalSoft gtk2 glib dbus pulseaudio ] ++
+  targetPkgs = pkgs: (with pkgs; [ unzip atk gdk_pixbuf cairo pango mesa_glu libGL openalSoft gtk2 glib dbus pulseaudio vulkan-tools vulkan-loader ] ++
                      (with xorg; [ libX11 libXext libXrandr libXcursor libXinerama ]) ++
                      # For reality expansion pack
                      [ stdenv.cc.cc.lib curl openssl ] ++
diff --git a/x-plane/toliss-A321.nix b/x-plane/toliss-A321.nix
new file mode 100644
index 0000000..8b4b34b
--- /dev/null
+++ b/x-plane/toliss-A321.nix
@@ -0,0 +1,29 @@
+{ stdenv, mkXPlaneAddon }:
+
+mkXPlaneAddon rec {
+  pname = "toliss-A321";
+  version = "1.1";
+  fname = "ToLissA321_V1p1.zip";
+  sha256 = "027bb9qysjjdvrgkni08grrk1agppb6l653jqqnyfz1f30bc1xkq";
+  forumlink = "https://forums.x-plane.org/index.php?/forums/forum/534-airbus-a321/";
+  buildCommand = ''
+    mkdir -p $out
+    cd $out
+    unzip $src
+  '';
+  passthru = {
+    build = ''
+      ln -s $ADDONPATH $out/xplane-extra/ToLiss-A321
+    '';
+    prepare = ''
+      mkdir -p "$XPLANEPATH/Aircraft/ToLiss/ToLiss_A321"
+      for f in /xplane-extra/ToLiss-A321/*/*; do
+        cp -r --no-preserve=mode "$f" "$XPLANEPATH/Aircraft/ToLiss/ToLiss_A321"
+      done
+    '';
+    revert = ''
+      rm -fr "$XPLANEPATH/Aircraft/ToLiss/ToLiss_A321"
+      rmdir "$XPLANEPATH/Aircraft/ToLiss" || true
+    '';
+  };
+}
diff --git a/x-plane/vivid-sky.nix b/x-plane/vivid-sky.nix
index 4dce4a2..0385af6 100644
--- a/x-plane/vivid-sky.nix
+++ b/x-plane/vivid-sky.nix
@@ -36,7 +36,7 @@ mkXPlaneAddon rec {
           false
         fi
       done
-      for f in "$XPLANEPATH/Resources/plugins/FlyWithLua/Scipts/vivid_sky.lua" "$XPLANEPATH/Resources/plugins/FlyWithLua/Scipts/vivid_water.lua" ; do
+      for f in "$XPLANEPATH/Resources/plugins/FlyWithLua/Scripts/vivid_sky.lua" "$XPLANEPATH/Resources/plugins/FlyWithLua/Scripts/vivid_water.lua" ; do
         if [ -L "$f" ]; then
           rm "$f"
         else