diff --git a/test/cpp/qps/driver.cc b/test/cpp/qps/driver.cc
index 20d429751d0b509f1bc9517ff01c2382b6e41895..39b8f5cf0d70835c9815848e696f8fcb6db020aa 100644
--- a/test/cpp/qps/driver.cc
+++ b/test/cpp/qps/driver.cc
@@ -161,8 +161,8 @@ std::unique_ptr<ScenarioResult> RunScenario(
   // where class contained in std::vector must have a copy constructor
   auto* servers = new ServerData[num_servers];
   for (size_t i = 0; i < num_servers; i++) {
-    gpr_log(GPR_INFO, "Starting server on %s (worker #%d)",
-            workers[i].c_str(), i);
+    gpr_log(GPR_INFO, "Starting server on %s (worker #%d)", workers[i].c_str(),
+	    i);
     servers[i].stub = WorkerService::NewStub(
         CreateChannel(workers[i], InsecureChannelCredentials()));
     ServerArgs args;