diff --git a/source/common/upstream/upstream_impl.cc b/source/common/upstream/upstream_impl.cc
index ed3b5034b2d1d..0e249b1eb4df4 100644
--- a/source/common/upstream/upstream_impl.cc
+++ b/source/common/upstream/upstream_impl.cc
@@ -121,7 +121,8 @@ ClusterInfoImpl::ClusterInfoImpl(const envoy::api::v2::Cluster& config,
       per_connection_buffer_limit_bytes_(
           PROTOBUF_GET_WRAPPED_OR_DEFAULT(config, per_connection_buffer_limit_bytes, 1024 * 1024)),
       stats_scope_(stats.createScope(fmt::format(
-          "cluster.{}.", config.alt_stat_name().empty() ? name_ : config.alt_stat_name()))),
+          "cluster.{}.",
+          config.alt_stat_name().empty() ? name_ : std::string(config.alt_stat_name())))),
       stats_(generateStats(*stats_scope_)),
       load_report_stats_(generateLoadReportStats(load_report_stats_store_)),
       features_(parseFeatures(config)),
diff --git a/source/common/upstream/upstream_impl.h b/source/common/upstream/upstream_impl.h
index 5a44776e4b758..95a2facdd6933 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 Envoy::ProtobufTypes::String name_;
+  const std::string name_;
   const envoy::api::v2::Cluster::DiscoveryType type_;
   const uint64_t max_requests_per_connection_;
   const std::chrono::milliseconds connect_timeout_;