diff --git a/services/audiopolicy/AudioPolicyService.cpp b/services/audiopolicy/AudioPolicyService.cpp
index 3a5626d..da2defe 100644
--- a/services/audiopolicy/AudioPolicyService.cpp
+++ b/services/audiopolicy/AudioPolicyService.cpp
@@ -161,7 +161,7 @@
 
         mNotificationClients.add(uid, notificationClient);
 
-        sp<IBinder> binder = client->asBinder();
+        sp<IBinder> binder = IInterface::asBinder(client);
         binder->linkToDeath(notificationClient);
     }
 }