diff --git a/pkgs/development/libraries/notify-sharp/default.nix b/pkgs/development/libraries/notify-sharp/default.nix
index c7e133d94b23..3c5ae8537a41 100644
--- a/pkgs/development/libraries/notify-sharp/default.nix
+++ b/pkgs/development/libraries/notify-sharp/default.nix
@@ -31,5 +31,6 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "D-Bus for .NET";
     platforms = platforms.linux;
+    license = licenses.mit;
   };
 }