diff --git a/src/lib/utils/marked/extension.ts b/src/lib/utils/marked/extension.ts
index eec17adbd0..989f92a76c 100644
--- a/src/lib/utils/marked/extension.ts
+++ b/src/lib/utils/marked/extension.ts
@@ -60,7 +60,7 @@ function detailsTokenizer(src: string) {
 }
 
 function detailsStart(src: string) {
-	return src.match(/^<details>/) ? 0 : -1;
+	return src.match(/^<details[\s>\/]/) ? 0 : -1;
 }
 
 function detailsRenderer(token: any) {