diff --git a/packages/rspack-test-tools/tests/configCases/css/rspack-issue-6435/index.js b/packages/rspack-test-tools/tests/configCases/css/rspack-issue-6435/index.js
index 316ccbc562f..b08298d9ff6 100644
--- a/packages/rspack-test-tools/tests/configCases/css/rspack-issue-6435/index.js
+++ b/packages/rspack-test-tools/tests/configCases/css/rspack-issue-6435/index.js
@@ -3,5 +3,5 @@ import legacyClasses from "./legacy/index.css";
 
 it("should have consistent hash", () => {
 	expect(classes["container-main"]).toBe(`${/* md4("./style.module.css") */ "_7ea850e6088d2566f677"}-container-main`)
-	expect(legacyClasses["legacy-main"]).toBe(`${/* md4("./legacy/index.css") */ "c15d43fe622e87bbf5d"}-legacy-main`)
+	expect(legacyClasses["legacy-main"]).toBe(`${/* md4("./legacy/index.css") */ "_2c15d43fe622e87bbf5d"}-legacy-main`)
 });