diff --git a/lib/__tests__/fixtures/globs/extglob?(s)/styles.css b/lib/__tests__/fixtures/globs/extglob!(s)/styles.css
similarity index 100%
rename from lib/__tests__/fixtures/globs/extglob?(s)/styles.css
rename to lib/__tests__/fixtures/globs/extglob!(s)/styles.css
diff --git a/lib/__tests__/standalone-globs.test.js b/lib/__tests__/standalone-globs.test.js
index df3783d9be..2f3f486287 100644
--- a/lib/__tests__/standalone-globs.test.js
+++ b/lib/__tests__/standalone-globs.test.js
@@ -22,7 +22,7 @@ describe('standalone globbing', () => {
 		const fixtureDirs = [
 			`[digit]/not-digits`,
 			`with spaces`,
-			`extglob?(s)`,
+			`extglob!(s)`,
 			`got!negate/negate`,
 			// `extglob+(s)`, // Note: +'s cause errors. Ignoring until it becomes a problem
 		];