diff --git a/test/cpp/end2end/xds_end2end_test.cc b/test/cpp/end2end/xds_end2end_test.cc
index d4758f09985..1fbdbad953e 100644
--- a/test/cpp/end2end/xds_end2end_test.cc
+++ b/test/cpp/end2end/xds_end2end_test.cc
@@ -2268,7 +2268,10 @@ TEST_P(LocalityMapTest, UpdateMap) {
 
 class FailoverTest : public BasicTest {
  public:
-  FailoverTest() { ResetStub(0, 100, ""); }
+  void SetUp() override {
+    BasicTest::SetUp();
+    ResetStub(0, 100, "");
+  }
 };
 
 // Localities with the highest priority are used when multiple priority exist.