diff --git a/scripts/xhtmlize-single-file.sh b/scripts/xhtmlize-single-file.sh
index 5b73424..ad12cb7 100644
--- a/scripts/xhtmlize-single-file.sh
+++ b/scripts/xhtmlize-single-file.sh
@@ -31,7 +31,7 @@ sed 7d "$html_file" | xmllint --format --encode UTF-8 --noent - | sd '^\t' '' >"
 	cat tmp.css
 	# shellcheck disable=SC2016 # these are regex statements, not shell expressions
 	tail -n +8 "$tmp_file" \
-		| sd '<pre(?: tabindex="0")?>\n\t*<(code|samp) ' '<pre tabindex="0"><$1 ' \
+		| sd '<pre(?: tabindex="0")?>\n\t*<(code|samp)( |>)' '<pre tabindex="0"><$1$2' \
 		| sd '(?:\n)?</(code|samp)>\n(?:[\t\s]*)?</pre>' '</$1></pre>' \
 		| sd '</span>.span itemprop="familyName"' '</span> <span itemprop="familyName"' \
 		| sd '</picture><span itemprop="name" class="p-name fn n">' '</picture> <span itemprop="name" class="p-name fn n">' \