diff --git a/pkgs/applications/emulators/fs-uae/launcher.nix b/pkgs/applications/emulators/fs-uae/launcher.nix
index 51349182832a..550b0da7af68 100644
--- a/pkgs/applications/emulators/fs-uae/launcher.nix
+++ b/pkgs/applications/emulators/fs-uae/launcher.nix
@@ -1,10 +1,10 @@
 { lib
-, stdenv
 , fetchurl
-, gettext
-, python3
-, wrapQtAppsHook
 , fsuae
+, gettext
+, python3Packages
+, stdenv
+, libsForQt5
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -18,16 +18,18 @@ stdenv.mkDerivation (finalAttrs: {
 
   nativeBuildInputs = [
     gettext
-    python3
-    wrapQtAppsHook
+    python3Packages.python
+    libsForQt5.wrapQtAppsHook
   ];
 
-  buildInputs = with python3.pkgs; [
+  buildInputs = with python3Packages; [
     pyqt5
     requests
     setuptools
   ];
 
+  strictDeps = true;
+
   makeFlags = [ "prefix=$(out)" ];
 
   dontWrapQtApps = true;
@@ -47,8 +49,9 @@ stdenv.mkDerivation (finalAttrs: {
     homepage = "https://fs-uae.net";
     description = "Graphical front-end for the FS-UAE emulator";
     license = lib.licenses.gpl2Plus;
+    mainProgram = "fs-uae-launcher";
     maintainers = with lib.maintainers; [ sander AndersonTorres ];
-    platforms = [ "i686-linux" "x86_64-linux" ];
+    platforms = with lib.systems.inspect;
+      patternLogicalAnd patterns.isx86 patterns.isLinux;
   };
 })
-
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b503f53be773..19b39131ce1b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2689,7 +2689,7 @@ with pkgs;
 
   fsuae = callPackage ../applications/emulators/fs-uae { };
 
-  fsuae-launcher = libsForQt5.callPackage ../applications/emulators/fs-uae/launcher.nix { };
+  fsuae-launcher = callPackage ../applications/emulators/fs-uae/launcher.nix { };
 
   fuc = callPackage ../tools/misc/fuc { };