diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 16dea4ceb66..1bafd16fbc0 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7100,7 +7100,7 @@ let
   mcomix = callPackage ../applications/graphics/mcomix { };
 
   mercurial = callPackage ../applications/version-management/mercurial {
-    inherit (pythonPackages) curses;
+    inherit (pythonPackages) curses docutils;
     guiSupport = false;		# use mercurialFull to get hgk GUI
   };