diff --git a/include/vsyncworker.h b/include/vsyncworker.h
index b2bca9d..96f7432 100644
--- a/include/vsyncworker.h
+++ b/include/vsyncworker.h
@@ -60,7 +60,7 @@
   std::shared_ptr<VsyncCallback> callback_ = NULL;
 
   int display_;
-  bool enabled_;
+  std::atomic_bool enabled_;
   int64_t last_timestamp_;
 };
 }  // namespace android