diff --git a/pkgs/tools/misc/grub/2.0x.nix b/pkgs/tools/misc/grub/2.0x.nix
index 745689e312f..f45116ddf22 100644
--- a/pkgs/tools/misc/grub/2.0x.nix
+++ b/pkgs/tools/misc/grub/2.0x.nix
@@ -90,6 +90,8 @@ stdenv.mkDerivation rec {
 
   hardeningDisable = [ "all" ];
 
+  separateDebugInfo = true;
+
   # Work around a bug in the generated flex lexer (upstream flex bug?)
   NIX_CFLAGS_COMPILE = "-Wno-error";