diff --git a/pkgs/applications/editors/ldtk/default.nix b/pkgs/applications/editors/ldtk/default.nix
index 2777c260a664..48d635138326 100644
--- a/pkgs/applications/editors/ldtk/default.nix
+++ b/pkgs/applications/editors/ldtk/default.nix
@@ -1,12 +1,12 @@
 { lib, stdenv, fetchurl, makeWrapper, makeDesktopItem, copyDesktopItems, unzip
 , appimage-run }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "ldtk";
   version = "1.3.3";
 
   src = fetchurl {
-    url = "https://github.com/deepnight/ldtk/releases/download/v${version}/ubuntu-distribution.zip";
+    url = "https://github.com/deepnight/ldtk/releases/download/v${finalAttrs.version}/ubuntu-distribution.zip";
     hash = "sha256-egvAe4nAzPDBeTaAzrqhlDsG60bGNnKXB5Vt16vIZrQ";
   };
 
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     runHook preUnpack
 
     unzip $src
-    appimage-run -x src 'LDtk ${version} installer.AppImage'
+    appimage-run -x src 'LDtk ${finalAttrs.version} installer.AppImage'
 
     runHook postUnpack
   '';
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   installPhase = ''
     runHook preInstall
 
-    install -Dm644 'LDtk ${version} installer.AppImage' $out/share/ldtk.AppImage
+    install -Dm644 'LDtk ${finalAttrs.version} installer.AppImage' $out/share/ldtk.AppImage
     makeWrapper ${appimage-run}/bin/appimage-run $out/bin/ldtk \
       --add-flags $out/share/ldtk.AppImage
     install -Dm644 src/ldtk.png $out/share/icons/hicolor/1024x1024/apps/ldtk.png
@@ -50,10 +50,10 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     description = "Modern, lightweight and efficient 2D level editor";
     homepage = "https://ldtk.io/";
-    changelog = "https://github.com/deepnight/ldtk/releases/tag/v${version}";
+    changelog = "https://github.com/deepnight/ldtk/releases/tag/v${finalAttrs.version}";
     license = licenses.mit;
     platforms = [ "x86_64-linux" ];
     maintainers = with maintainers; [ felschr ];
     sourceProvenance = with sourceTypes; [ binaryBytecode ];
   };
-}
+})