diff --git a/pkgs/applications/audio/alsa-scarlett-gui/default.nix b/pkgs/applications/audio/alsa-scarlett-gui/default.nix
index 80db9e85d3db8..fec5cd3044765 100644
--- a/pkgs/applications/audio/alsa-scarlett-gui/default.nix
+++ b/pkgs/applications/audio/alsa-scarlett-gui/default.nix
@@ -24,6 +24,10 @@ stdenv.mkDerivation rec {
   sourceRoot = "source/src";
   nativeBuildInputs = [ pkg-config wrapGAppsHook4 ];
   buildInputs = [ gtk4 alsa-lib ];
+  postInstall = ''
+      substituteInPlace $out/share/applications/vu.b4.${pname}.desktop \
+        --replace "Exec=/bin/alsa-scarlett-gui" "Exec=$out/bin/${pname}"
+  '';
 
   # causes redefinition of _FORTIFY_SOURCE
   hardeningDisable = [ "fortify3" ];