diff --git a/libs/binder/RpcSession.cpp b/libs/binder/RpcSession.cpp
index 16a7f9f..21dc5c1 100644
--- a/libs/binder/RpcSession.cpp
+++ b/libs/binder/RpcSession.cpp
@@ -801,6 +801,10 @@
     return true;
 }
 
+void RpcSession::setSessionSpecificRoot(const sp<IBinder>& sessionSpecificRoot) {
+    mSessionSpecificRootObject = sessionSpecificRoot;
+}
+
 sp<RpcSession::RpcConnection> RpcSession::assignIncomingConnectionToThisThread(
         std::unique_ptr<RpcTransport> rpcTransport) {
     RpcMutexLockGuard _l(mMutex);