diff --git a/pkgs/os-specific/linux/minimal-bootstrap/default.nix b/pkgs/os-specific/linux/minimal-bootstrap/default.nix
index 47ecd077a62..c3ad9d6066c 100644
--- a/pkgs/os-specific/linux/minimal-bootstrap/default.nix
+++ b/pkgs/os-specific/linux/minimal-bootstrap/default.nix
@@ -51,6 +51,8 @@ lib.makeScope
     findutils = callPackage ./findutils {
       bash = bash_2_05;
       tinycc = tinycc-musl;
+      gnumake = gnumake-musl;
+      gnutar = gnutar-musl;
     };
 
     gawk-mes = callPackage ./gawk/mes.nix {
diff --git a/pkgs/os-specific/linux/minimal-bootstrap/findutils/default.nix b/pkgs/os-specific/linux/minimal-bootstrap/findutils/default.nix
index 7479ea6fbfb..97418d218fb 100644
--- a/pkgs/os-specific/linux/minimal-bootstrap/findutils/default.nix
+++ b/pkgs/os-specific/linux/minimal-bootstrap/findutils/default.nix
@@ -68,8 +68,8 @@ bash.runCommand "${pname}-${version}" {
     --host=${hostPlatform.config}
 
   # Build
-  make
+  make -j $NIX_BUILD_CORES
 
   # Install
-  make install
+  make -j $NIX_BUILD_CORES install
 ''