diff --git a/media/libmedia/IAudioPolicyService.cpp b/media/libmedia/IAudioPolicyService.cpp
index 89178f1..9349662 100644
--- a/media/libmedia/IAudioPolicyService.cpp
+++ b/media/libmedia/IAudioPolicyService.cpp
@@ -572,7 +572,7 @@
     {
         Parcel data, reply;
         data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
-        data.writeStrongBinder(client->asBinder());
+        data.writeStrongBinder(IInterface::asBinder(client));
         remote()->transact(REGISTER_CLIENT, data, &reply);
     }