diff --git a/pkgs/by-name/ap/application-title-bar/package.nix b/pkgs/by-name/ap/application-title-bar/package.nix
index 57de40bcf25f..c524066c857f 100644
--- a/pkgs/by-name/ap/application-title-bar/package.nix
+++ b/pkgs/by-name/ap/application-title-bar/package.nix
@@ -4,14 +4,14 @@
 , kdePackages
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "application-title-bar";
   version = "0.6.3";
 
   src = fetchFromGitHub {
     owner = "antroids";
     repo = "application-title-bar";
-    rev = "v${version}";
+    rev = "v${finalAttrs.version}";
     hash = "sha256-r15wZCioWrTr5mA0WARFd4j8zwWIWU4wEv899RSURa4=";
   };
 
@@ -22,15 +22,15 @@ stdenv.mkDerivation rec {
   installPhase = ''
     runHook preInstall
     mkdir -p $out/share/plasma/plasmoids/com.github.antroids.application-title-bar
-    cp -r $src/package/* $out/share/plasma/plasmoids/com.github.antroids.application-title-bar
+    cp -r package/* $out/share/plasma/plasmoids/com.github.antroids.application-title-bar
     runHook postInstall
   '';
 
-  meta = with lib; {
+  meta = {
     description = "KDE Plasma6 widget with window controls";
     homepage = "https://github.com/antroids/application-title-bar";
-    license = licenses.gpl3Plus;
-    maintainers = with maintainers; [ HeitorAugustoLN ];
-    platforms = platforms.linux;
+    license = lib.licenses.gpl3Plus;
+    maintainers = with lib.maintainers; [ HeitorAugustoLN ];
+    inherit (kdePackages.kwindowsystem.meta) platforms;
   };
-}
+})