diff --git a/test/cpp/end2end/grpclb_end2end_test.cc b/test/cpp/end2end/grpclb_end2end_test.cc
index 7aab035..28f9ae6 100644
--- a/test/cpp/end2end/grpclb_end2end_test.cc
+++ b/test/cpp/end2end/grpclb_end2end_test.cc
@@ -1380,7 +1380,7 @@
 
 class SingleBalancerWithClientLoadReportingTest : public GrpclbEnd2endTest {
  public:
-  SingleBalancerWithClientLoadReportingTest() : GrpclbEnd2endTest(4, 1, 2) {}
+  SingleBalancerWithClientLoadReportingTest() : GrpclbEnd2endTest(4, 1, 3) {}
 };
 
 TEST_F(SingleBalancerWithClientLoadReportingTest, Vanilla) {