diff --git a/pkgs/os-specific/linux/kernel/build.nix b/pkgs/os-specific/linux/kernel/build.nix
index c24bb2dd0717..e2275c064f90 100644
--- a/pkgs/os-specific/linux/kernel/build.nix
+++ b/pkgs/os-specific/linux/kernel/build.nix
@@ -438,6 +438,9 @@ lib.makeOverridable (
       # Keep root and arch-specific Makefiles
       chmod u-w Makefile arch/*/Makefile*
 
+      # Keep rust Makefile
+      ${lib.optionalString withRust "chmod u-w rust/Makefile"}
+
       # Keep whole scripts dir
       chmod u-w -R scripts