diff --git a/pkgs/applications/audio/ympd/default.nix b/pkgs/applications/audio/ympd/default.nix
index 134e5bfb42a..08918452c31 100644
--- a/pkgs/applications/audio/ympd/default.nix
+++ b/pkgs/applications/audio/ympd/default.nix
@@ -19,5 +19,6 @@ stdenv.mkDerivation rec {
     description = "Standalone MPD Web GUI written in C, utilizing Websockets and Bootstrap/JS";
     maintainers = [ stdenv.lib.maintainers.siddharthist ];
     platforms = stdenv.lib.platforms.unix;
+    license = stdenv.licenses.gpl2;
   };
 }