diff --git a/src/compiler/parse/state/fragment.ts b/src/compiler/parse/state/fragment.ts
index eb72551c6..97398b227 100644
--- a/src/compiler/parse/state/fragment.ts
+++ b/src/compiler/parse/state/fragment.ts
@@ -5,7 +5,7 @@ import text from './text.js';
 import { Parser } from '../index.js';
 
 export default function fragment(parser: Parser) {
-  if (parser.match('---')) {
+  if (parser.html.children.length === 0 && parser.match_regex(/^---/m)) {
     return setup;
   }
 
diff --git a/src/compiler/parse/state/setup.ts b/src/compiler/parse/state/setup.ts
index b3c21b106..f64d8c52b 100644
--- a/src/compiler/parse/state/setup.ts
+++ b/src/compiler/parse/state/setup.ts
@@ -3,6 +3,14 @@
 import { Parser } from '../index.js';
 
 export default function setup(parser: Parser): void {
+  // TODO: Error if not at top of file? currently, we ignore / just treat as text.
+  // if (parser.html.children.length > 0) {
+  //   parser.error({
+  //     code: 'unexpected-token',
+  //     message: 'Frontmatter scripts only supported at the top of file.',
+  //   });
+  // }
+
   const start = parser.index;
   parser.index += 3;
   const content_start = parser.index;