diff --git a/test/cpp/interop/client.cc b/test/cpp/interop/client.cc
index ea27f2827de9d759bc599e5dd23db2a3ef137804..6f1d910304c52e07326b5aeff147983f082fe896 100644
--- a/test/cpp/interop/client.cc
+++ b/test/cpp/interop/client.cc
@@ -164,7 +164,7 @@ int main(int argc, char** argv) {
   actions["unimplemented_service"] =
       std::bind(&grpc::testing::InteropClient::DoUnimplementedService, &client);
   actions["cacheable_unary"] =
-     std::bind(&grpc::testing::InteropClient::DoCacheableUnary, &client);
+      std::bind(&grpc::testing::InteropClient::DoCacheableUnary, &client);
 
   UpdateActions(&actions);