diff --git a/automotive/can/1.0/default/CanBus.h b/automotive/can/1.0/default/CanBus.h
index 8b73258318..977bfcc6cb 100644
--- a/automotive/can/1.0/default/CanBus.h
+++ b/automotive/can/1.0/default/CanBus.h
@@ -24,6 +24,7 @@
 #include <utils/Mutex.h>
 
 #include <atomic>
+#include <mutex>
 #include <thread>
 
 namespace android::hardware::automotive::can::V1_0::implementation {