diff --git a/model/VolumeBase.h b/model/VolumeBase.h
index d417019..ac111c2 100644
--- a/model/VolumeBase.h
+++ b/model/VolumeBase.h
@@ -17,6 +17,7 @@
 #ifndef ANDROID_VOLD_VOLUME_BASE_H
 #define ANDROID_VOLD_VOLUME_BASE_H
 
+#include "android/os/IVoldListener.h"
 #include "Utils.h"
 
 #include <cutils/multiuser.h>
@@ -117,6 +118,8 @@
     void notifyEvent(int msg);
     void notifyEvent(int msg, const std::string& value);
 
+    android::sp<android::os::IVoldListener> getListener();
+
 private:
     /* ID that uniquely references volume while alive */
     std::string mId;