diff --git a/pkgs/by-name/gp/gpart/package.nix b/pkgs/by-name/gp/gpart/package.nix
index c44e19fedbfb..fb41ddd671d5 100644
--- a/pkgs/by-name/gp/gpart/package.nix
+++ b/pkgs/by-name/gp/gpart/package.nix
@@ -23,6 +23,12 @@ stdenv.mkDerivation rec {
 
   doCheck = true;
 
+  outputs = [
+    "out"
+    "doc"
+    "man"
+  ];
+
   meta = {
     inherit (src.meta) homepage;
     description = "Guess PC-type hard disk partitions";