diff --git a/pkgs/development/libraries/libpng/12.nix b/pkgs/development/libraries/libpng/12.nix
index 3071aa3fdfca..9585884f8e7b 100644
--- a/pkgs/development/libraries/libpng/12.nix
+++ b/pkgs/development/libraries/libpng/12.nix
@@ -10,6 +10,8 @@ stdenv.mkDerivation rec {
     sha256 = "02jwfqk1ahqfvbs9gdyb5v0123by9ws6m7jnfvainig7i7v4jpml";
   };
 
+  outputs = [ "dev" "out" "man" ];
+
   propagatedBuildInputs = [ zlib ];
 
   passthru = { inherit zlib; };
@@ -21,6 +23,8 @@ stdenv.mkDerivation rec {
 
   configureFlags = "--enable-static";
 
+  postInstall = ''mv "$out/bin" "$dev/bin"'';
+
   meta = {
     description = "The official reference implementation for the PNG file format";
     homepage = http://www.libpng.org/pub/png/libpng.html;