diff --git a/cmd/backend/markdown.go b/cmd/backend/markdown.go
index 1d3f508..1e49b69 100644
--- a/cmd/backend/markdown.go
+++ b/cmd/backend/markdown.go
@@ -31,6 +31,7 @@ func ConvertToHTML(md string) (string, error) {
 	}
 
 	p := bluemonday.UGCPolicy()
+	p.AllowAttrs("id").OnElements("h1", "h2", "h3", "h4", "h5", "h6")
 	html := p.Sanitize(buf.String())
 
 	return html, nil