diff --git a/services/oboeservice/AAudioServiceEndpointPlay.cpp b/services/oboeservice/AAudioServiceEndpointPlay.cpp
index 6ddc30b..4e46033 100644
--- a/services/oboeservice/AAudioServiceEndpointPlay.cpp
+++ b/services/oboeservice/AAudioServiceEndpointPlay.cpp
@@ -98,7 +98,7 @@
 
                 {
                     // Lock the AudioFifo to protect against close.
-                    std::lock_guard <std::mutex> lock(streamShared->getAudioDataQueueLock());
+                    std::lock_guard <std::mutex> lock(streamShared->audioDataQueueLock);
                     std::shared_ptr<SharedRingBuffer> audioDataQueue
                             = streamShared->getAudioDataQueue_l();
                     std::shared_ptr<FifoBuffer> fifo;