diff --git a/src/cubeb_audiounit.cpp b/src/cubeb_audiounit.cpp
index 6bf0e3d..f1b053e 100644
--- a/src/cubeb_audiounit.cpp
+++ b/src/cubeb_audiounit.cpp
@@ -139,7 +139,7 @@ struct cubeb {
   // Store list of devices to detect changes
   vector<AudioObjectID> input_device_array;
   vector<AudioObjectID> output_device_array;
-  // The queue is asynchronously deallocated once all references to it are released
+  // The queue should be released when it’s no longer needed.
   dispatch_queue_t serial_queue = dispatch_queue_create(DISPATCH_QUEUE_LABEL, DISPATCH_QUEUE_SERIAL);
   // Current used channel layout
   atomic<cubeb_channel_layout> layout{ CUBEB_LAYOUT_UNDEFINED };
@@ -1432,6 +1432,8 @@ audiounit_destroy(cubeb * ctx)
     }
   }
 
+  dispatch_release(ctx->serial_queue);
+
   delete ctx;
 }