diff --git a/media/libmedia/IMediaLogService.cpp b/media/libmedia/IMediaLogService.cpp
index 8a66c7c..a4af7b7 100644
--- a/media/libmedia/IMediaLogService.cpp
+++ b/media/libmedia/IMediaLogService.cpp
@@ -42,7 +42,7 @@
     virtual void    registerWriter(const sp<IMemory>& shared, size_t size, const char *name) {
         Parcel data, reply;
         data.writeInterfaceToken(IMediaLogService::getInterfaceDescriptor());
-        data.writeStrongBinder(shared->asBinder());
+        data.writeStrongBinder(IInterface::asBinder(shared));
         data.writeInt64((int64_t) size);
         data.writeCString(name);
         status_t status = remote()->transact(REGISTER_WRITER, data, &reply);
@@ -52,7 +52,7 @@
     virtual void    unregisterWriter(const sp<IMemory>& shared) {
         Parcel data, reply;
         data.writeInterfaceToken(IMediaLogService::getInterfaceDescriptor());
-        data.writeStrongBinder(shared->asBinder());
+        data.writeStrongBinder(IInterface::asBinder(shared));
         status_t status = remote()->transact(UNREGISTER_WRITER, data, &reply);
         // FIXME ignores status
     }