diff --git a/pkgs/applications/misc/syncthingtray/default.nix b/pkgs/applications/misc/syncthingtray/default.nix
index e98e3bdbfa6f..609bd81e40e4 100644
--- a/pkgs/applications/misc/syncthingtray/default.nix
+++ b/pkgs/applications/misc/syncthingtray/default.nix
@@ -76,8 +76,13 @@ stdenv.mkDerivation (finalAttrs: {
     export QT_QPA_PLATFORM=offscreen
     export QT_PLUGIN_PATH="${lib.getBin qtbase}/${qtbase.qtPluginPrefix}"
   '';
-  # don't test --help  on Darwin because output is .app
-  doInstallCheck = !stdenv.isDarwin;
+  postInstall = lib.optionalString stdenv.isDarwin ''
+    # put the app bundle into the proper place /Applications instead of /bin
+    mkdir -p $out/Applications
+    mv $out/bin/syncthingtray.app $out/Applications
+    # Make binary available in PATH like on other platforms
+    ln -s $out/Applications/syncthingtray.app/Contents/MacOS/syncthingtray $out/bin/syncthingtray
+  '';
   installCheckPhase = ''
     $out/bin/syncthingtray --help | grep ${finalAttrs.version}
   '';
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index fc9248b519a8..e4d03b291663 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -1098,6 +1098,7 @@ mapAliases ({
   swift-im = throw "swift-im has been removed as it is unmaintained and depends on deprecated Python 2 / Qt WebKit"; # Added 2023-01-06
   swtpm-tpm2 = swtpm; # Added 2021-02-26
   syncthing-cli = syncthing; # Added 2021-04-06
+  syncthingtray-qt6 = syncthingtray; # Added 2024-03-06
 
   ### T ###
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 87916f7f9666..f95cc9b1f393 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -35235,18 +35235,17 @@ with pkgs;
 
   syncthing-tray = callPackage ../applications/misc/syncthing-tray { };
 
-  syncthingtray = libsForQt5.callPackage ../applications/misc/syncthingtray { };
-  syncthingtray-minimal = libsForQt5.callPackage ../applications/misc/syncthingtray {
+  syncthingtray = kdePackages.callPackage ../applications/misc/syncthingtray {
+    # renamed in KF5 -> KF6
+    plasma-framework = kdePackages.libplasma;
+  };
+  syncthingtray-minimal = syncthingtray.override {
     webviewSupport = false;
     jsSupport = false;
     kioPluginSupport = false;
     plasmoidSupport = false;
     systemdSupport = true;
   };
-  syncthingtray-qt6 = kdePackages.callPackage ../applications/misc/syncthingtray {
-    # renamed in KF5 -> KF6
-    plasma-framework = kdePackages.libplasma;
-  };
 
   synergy = libsForQt5.callPackage ../applications/misc/synergy {
     stdenv = if stdenv.isDarwin then darwin.apple_sdk_11_0.stdenv else stdenv;