diff --git a/flake.nix b/flake.nix
index 8d0bc32..ce0fd6a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -33,7 +33,7 @@
 	./modules/3dmodel.nix
         #./modules/network.nix
         #./modules/office.nix
-	#./modules/tibia.nix
+	./modules/tibia.nix
       ];
 
       nix-gaming = mk_system "x86_64-linux" "nix-gaming" [
diff --git a/modules/tibia.nix b/modules/tibia.nix
index e4b1a96..2702494 100644
--- a/modules/tibia.nix
+++ b/modules/tibia.nix
@@ -1,6 +1,14 @@
-
 { pkgs, ... }: {
-
+  nixpkgs.overlays = [
+    (self: super: {
+      tibia = super.tibia.overrideAttrs (old: {
+        src = super.fetchurl {
+	  url = "https://correct-url.example.com/tibia.tar.gz";
+	  sha256 = "sha256-..."; 
+	};
+      });
+    })
+  ];
   # paczki
   environment.systemPackages = with pkgs; [
     tibia