diff --git a/pkgs/development/libraries/audio/libmysofa/default.nix b/pkgs/development/libraries/audio/libmysofa/default.nix
index 616802202146..a5ecbdcfccce 100644
--- a/pkgs/development/libraries/audio/libmysofa/default.nix
+++ b/pkgs/development/libraries/audio/libmysofa/default.nix
@@ -11,6 +11,8 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-QEfkeofsVxB9gyISL/P7bvnbcBuG7Q3A4UoAyQAXxgE=";
   };
 
+  outputs = [ "out" "dev" ];
+
   nativeBuildInputs = [ cmake ];
   buildInputs = [ zlib ];