diff --git a/source/common/upstream/upstream_impl.h b/source/common/upstream/upstream_impl.h
index 95a2facdd6933..5a44776e4b758 100644
--- a/source/common/upstream/upstream_impl.h
+++ b/source/common/upstream/upstream_impl.h
@@ -352,7 +352,7 @@ class ClusterInfoImpl : public ClusterInfo,
   static uint64_t parseFeatures(const envoy::api::v2::Cluster& config);
 
   Runtime::Loader& runtime_;
-  const std::string name_;
+  const Envoy::ProtobufTypes::String name_;
   const envoy::api::v2::Cluster::DiscoveryType type_;
   const uint64_t max_requests_per_connection_;
   const std::chrono::milliseconds connect_timeout_;