diff --git a/pkgs/data/documentation/man-pages/default.nix b/pkgs/data/documentation/man-pages/default.nix
index 8eeebf40134c..a488cb58e6f3 100644
--- a/pkgs/data/documentation/man-pages/default.nix
+++ b/pkgs/data/documentation/man-pages/default.nix
@@ -10,6 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   makeFlags = [ "MANDIR=$(out)/share/man" ];
+  outputDocdev = "out";
 
   meta = with stdenv.lib; {
     description = "Linux development manual pages";