diff --git a/services/oboeservice/AAudioServiceEndpoint.cpp b/services/oboeservice/AAudioServiceEndpoint.cpp
index 0349034..69068f5 100644
--- a/services/oboeservice/AAudioServiceEndpoint.cpp
+++ b/services/oboeservice/AAudioServiceEndpoint.cpp
@@ -68,7 +68,7 @@
     result << "    Connected:            " << mConnected.load() << "\n";
     result << "    Registered Streams:" << "\n";
     result << AAudioServiceStreamShared::dumpHeader() << "\n";
-    for (const auto stream : mRegisteredStreams) {
+    for (const auto& stream : mRegisteredStreams) {
         result << stream->dump() << "\n";
     }
 
@@ -81,7 +81,7 @@
 // @return true if stream found
 bool AAudioServiceEndpoint::isStreamRegistered(audio_port_handle_t portHandle) {
     std::lock_guard<std::mutex> lock(mLockStreams);
-    for (const auto stream : mRegisteredStreams) {
+    for (const auto& stream : mRegisteredStreams) {
         if (stream->getPortHandle() == portHandle) {
             return true;
         }
@@ -92,7 +92,7 @@
 void AAudioServiceEndpoint::disconnectRegisteredStreams() {
     std::lock_guard<std::mutex> lock(mLockStreams);
     mConnected.store(false);
-    for (const auto stream : mRegisteredStreams) {
+    for (const auto& stream : mRegisteredStreams) {
         ALOGD("disconnectRegisteredStreams() stop and disconnect %p", stream.get());
         stream->stop();
         stream->disconnect();