diff --git a/layouts/_default/_markup/render-codeblock.html b/layouts/_default/_markup/render-codeblock.html
new file mode 100644
index 0000000..074d7eb
--- /dev/null
+++ b/layouts/_default/_markup/render-codeblock.html
@@ -0,0 +1 @@
+{{- (transform.HighlightCodeBlock .).Wrapped | replaceRE `<code` `<code data-addsearch="include"` | safeHTML }}