diff --git a/pkgs/applications/audio/qsynth/default.nix b/pkgs/applications/audio/qsynth/default.nix
index 3397b4de751..05e6da223da 100644
--- a/pkgs/applications/audio/qsynth/default.nix
+++ b/pkgs/applications/audio/qsynth/default.nix
@@ -15,6 +15,7 @@ stdenv.mkDerivation  rec {
     description = "Fluidsynth GUI";
     homepage = http://sourceforge.net/projects/qsynth;
     license = licenses.gpl2Plus;
+    platforms = platforms.linux;
     maintainers = [ maintainers.goibhniu ];
   };
 }