diff --git a/pkgs/stdenv/linux/make-bootstrap-tools-cross.nix b/pkgs/stdenv/linux/make-bootstrap-tools-cross.nix
index 0bc8c64be634..522c28905a86 100644
--- a/pkgs/stdenv/linux/make-bootstrap-tools-cross.nix
+++ b/pkgs/stdenv/linux/make-bootstrap-tools-cross.nix
@@ -235,7 +235,7 @@ rec {
         mv $out/.pack $out/pack
 
         mkdir $out/on-server
-        tar cvfJ $out/on-server/bootstrap-tools.tar.xz -C $out/pack .
+        tar cvfJ $out/on-server/bootstrap-tools.tar.xz --hard-dereference --sort=name --numeric-owner --owner=0 --group=0 --mtime=@1 -C $out/pack .
         cp ${busyboxMinimal}/bin/busybox $out/on-server
         chmod u+w $out/on-server/busybox
         nuke-refs $out/on-server/busybox
diff --git a/pkgs/stdenv/linux/make-bootstrap-tools.nix b/pkgs/stdenv/linux/make-bootstrap-tools.nix
index 866906662aea..1ecb222af3ec 100644
--- a/pkgs/stdenv/linux/make-bootstrap-tools.nix
+++ b/pkgs/stdenv/linux/make-bootstrap-tools.nix
@@ -146,7 +146,7 @@ rec {
         mv $out/.pack $out/pack
 
         mkdir $out/on-server
-        tar cvfJ $out/on-server/bootstrap-tools.tar.xz -C $out/pack .
+        tar cvfJ $out/on-server/bootstrap-tools.tar.xz --hard-dereference --sort=name --numeric-owner --owner=0 --group=0 --mtime=@1 -C $out/pack .
         cp ${busyboxMinimal}/bin/busybox $out/on-server
         chmod u+w $out/on-server/busybox
         nuke-refs $out/on-server/busybox