diff --git a/reactos/dll/win32/rpcrt4/rpc_binding.c b/reactos/dll/win32/rpcrt4/rpc_binding.c
index f164a0b43b4..273f2253d45 100644
--- a/reactos/dll/win32/rpcrt4/rpc_binding.c
+++ b/reactos/dll/win32/rpcrt4/rpc_binding.c
@@ -1163,6 +1163,7 @@ RPC_STATUS WINAPI RpcNetworkIsProtseqValidW(LPWSTR protseq) {
 RPC_STATUS WINAPI RpcImpersonateClient(RPC_BINDING_HANDLE BindingHandle)
 {
     FIXME("(%p): stub\n", BindingHandle);
+    ImpersonateSelf(SecurityImpersonation);
     return RPC_S_OK;
 }
 
@@ -1189,3 +1190,13 @@ RPC_STATUS WINAPI RpcRevertToSelfEx(RPC_BINDING_HANDLE BindingHandle)
     FIXME("(%p): stub\n", BindingHandle);
     return RPC_S_OK;
 }
+
+/***********************************************************************
+ *             RpcRevertToSelf (RPCRT4.@)
+ */
+RPC_STATUS WINAPI RpcRevertToSelf(void)
+{
+    FIXME("stub\n");
+    RevertToSelf();
+    return RPC_S_OK;
+}
diff --git a/reactos/dll/win32/rpcrt4/rpcrt4.spec b/reactos/dll/win32/rpcrt4/rpcrt4.spec
index 8ebfc4d9fe7..de4df2eb758 100644
--- a/reactos/dll/win32/rpcrt4/rpcrt4.spec
+++ b/reactos/dll/win32/rpcrt4/rpcrt4.spec
@@ -458,7 +458,7 @@
 @ stub RpcProtseqVectorFreeW
 @ stdcall RpcRaiseException(long)
 @ stub RpcRegisterAsyncInfo
-@ stub RpcRevertToSelf
+@ stdcall RpcRevertToSelf()
 @ stdcall RpcRevertToSelfEx(ptr)
 @ stdcall RpcServerInqBindings(ptr)
 @ stub RpcServerInqCallAttributesA # wxp