diff --git a/modules/installer/tools/nixos-hardware-scan.pl b/modules/installer/tools/nixos-hardware-scan.pl
index 31b07a572803..f123303e7481 100644
--- a/modules/installer/tools/nixos-hardware-scan.pl
+++ b/modules/installer/tools/nixos-hardware-scan.pl
@@ -240,3 +240,4 @@ print <<EOF ;
   nix.maxJobs = $cpus;
 $attrs}
 EOF
+# workaround for a bug in substituteAll