diff --git a/packages/omo-codex/plugin/test/sync-skills.test.mjs b/packages/omo-codex/plugin/test/sync-skills.test.mjs
index f080421a3..8af55ec58 100644
--- a/packages/omo-codex/plugin/test/sync-skills.test.mjs
+++ b/packages/omo-codex/plugin/test/sync-skills.test.mjs
@@ -60,7 +60,7 @@ test("#given synced aggregate Codex skills #when inspected #then component and s
 	assert.deepEqual(skillNames, expectedSkills);
 	for (const skillName of expectedSkills) {
 		const content = await readFile(join(skillsRoot, skillName, "SKILL.md"), "utf8");
-		assert.match(content, /^---\r?\n/);
+		assert.match(removeCodexCompatibilityGuidance(content), /^---\r?\n/);
 	}
 });