diff --git a/pkgs/by-name/me/melonDS/package.nix b/pkgs/by-name/me/melonDS/package.nix
index 049f3f9695ec..821dc4843130 100644
--- a/pkgs/by-name/me/melonDS/package.nix
+++ b/pkgs/by-name/me/melonDS/package.nix
@@ -1,24 +1,23 @@
-{ lib
-, SDL2
-, cmake
-, extra-cmake-modules
-, fetchFromGitHub
-, libGL
-, libarchive
-, libpcap
-, libsForQt5
-, qt6
-, libslirp
-, pkg-config
-, stdenv
-, unstableGitUpdater
-, wayland
-, zstd
+{
+  lib,
+  SDL2,
+  cmake,
+  extra-cmake-modules,
+  fetchFromGitHub,
+  libGL,
+  libarchive,
+  libpcap,
+  libslirp,
+  pkg-config,
+  qt6,
+  stdenv,
+  unstableGitUpdater,
+  wayland,
+  zstd,
 }:
 
 let
-  qt = if stdenv.isLinux then libsForQt5 else qt6;
-  inherit (qt)
+  inherit (qt6)
     qtbase
     qtmultimedia
     wrapQtAppsHook;
@@ -53,6 +52,10 @@ stdenv.mkDerivation (finalAttrs: {
     wayland
   ];
 
+  cmakeFlags = [
+    (lib.cmakeBool "USE_QT6" true)
+  ];
+
   strictDeps = true;
 
   qtWrapperArgs = lib.optionals stdenv.isLinux [