diff --git a/pkgs/build-support/docker/default.nix b/pkgs/build-support/docker/default.nix
index 7218d67062e7..23e439c6c423 100644
--- a/pkgs/build-support/docker/default.nix
+++ b/pkgs/build-support/docker/default.nix
@@ -915,7 +915,7 @@ rec {
 
             mkdir $out
             ${if enableFakechroot then ''
-              proot -r $PWD/old_out ${bind-paths} --pwd=/ --root-id bash -c '
+              proot -r $PWD/old_out ${bind-paths} --pwd=/ fakeroot bash -c '
                 source $stdenv/setup
                 eval "$fakeRootCommands"
                 tar \