diff --git a/tools/generate_firmware_patterns b/tools/generate_firmware_patterns
index f9cedfb7..7252f114 100755
--- a/tools/generate_firmware_patterns
+++ b/tools/generate_firmware_patterns
@@ -162,9 +162,6 @@ sub generate_patterns_for_firmware_sof_intel_workaround {
 die "missing output directory $output_dir"
     if ! -d $output_dir;
 
-write_file("$output_dir/README.txt",
-           "These files help Debian Installer detect helpful firmware packages (via hw-detect).\n");
-
 # Search for the specified package in the Components-* files, and
 # generate patterns when it's found:
 my $done;
diff --git a/tools/make_disc_trees.pl b/tools/make_disc_trees.pl
index 0574aab8..4dfc13bb 100755
--- a/tools/make_disc_trees.pl
+++ b/tools/make_disc_trees.pl
@@ -12,6 +12,7 @@ use File::Find;
 use File::Path qw(make_path remove_tree);
 use File::Basename;
 use Compress::Zlib;
+use File::Slurp;
 
 my %pkginfo;
 my ($basedir, $mirror, $tdir, $codename, $archlist, $mkisofs, $maxcds,
@@ -1211,6 +1212,12 @@ sub add_firmware_stuff {
 	mkdir "$dir/firmware" or die "mkdir $dir/firmware failed $!\n";
 	mkdir "$dir/firmware/dep11" or die "mkdir $dir/firmware/dep11 failed $!\n";
 	$blocks_added += 2;
+
+	# In case anyone wonders about those files:
+	write_file("$dir/firmware/dep11/README.txt",
+		   "These files help Debian Installer detect helpful firmware packages (via hw-detect).\n")
+	    or die "unable to create $dir/firmware/dep11/README.txt";
+	$blocks_added += get_file_blocks("$dir/firmware/dep11/README.txt");
     }
 
     msg_ap(0, "Symlink fw package $p into /firmware\n");