diff --git a/dlls/rpcrt4/ndr_stubless.c b/dlls/rpcrt4/ndr_stubless.c
index 3fd4cf87dd2..171d74ddac3 100644
--- a/dlls/rpcrt4/ndr_stubless.c
+++ b/dlls/rpcrt4/ndr_stubless.c
@@ -1620,6 +1620,38 @@ void WINAPI NdrServerCall2(PRPC_MESSAGE pRpcMsg)
     NdrStubCall2(NULL, NULL, pRpcMsg, &dwPhase);
 }
 
+/***********************************************************************
+ *            NdrClientCall [RPCRT4.@]
+ */
+CLIENT_CALL_RETURN WINAPIV NdrClientCall( PMIDL_STUB_DESC desc, PFORMAT_STRING format, ... )
+{
+    __ms_va_list args;
+    CLIENT_CALL_RETURN ret;
+
+    __ms_va_start( args, format );
+    ret = NdrClientCall2( desc, format, va_arg( args, unsigned char * ));
+    __ms_va_end( args );
+    return ret;
+}
+
+/***********************************************************************
+ *            NdrStubCall [RPCRT4.@]
+ */
+LONG WINAPI NdrStubCall( struct IRpcStubBuffer *This, struct IRpcChannelBuffer *channel,
+                         PRPC_MESSAGE msg, DWORD *phase )
+{
+    return NdrStubCall2( This, channel, msg, phase );
+}
+
+/***********************************************************************
+ *            NdrServerCall [RPCRT4.@]
+ */
+void WINAPI NdrServerCall( PRPC_MESSAGE msg )
+{
+    DWORD phase;
+    NdrStubCall( NULL, NULL, msg, &phase );
+}
+
 struct async_call_data
 {
     MIDL_STUB_MESSAGE *pStubMsg;
diff --git a/dlls/rpcrt4/rpcrt4.spec b/dlls/rpcrt4/rpcrt4.spec
index aa6fef9343f..bacef8c4c0d 100644
--- a/dlls/rpcrt4/rpcrt4.spec
+++ b/dlls/rpcrt4/rpcrt4.spec
@@ -127,7 +127,7 @@
 @ stdcall NdrCStdStubBuffer_Release(ptr ptr)
 @ stdcall NdrClearOutParameters(ptr ptr ptr)
 @ varargs NdrClientCall2(ptr ptr)
-@ varargs NdrClientCall(ptr ptr) NdrClientCall2
+@ varargs NdrClientCall(ptr ptr)
 @ stdcall NdrClientContextMarshall(ptr ptr long)
 @ stdcall NdrClientContextUnmarshall(ptr ptr ptr)
 @ stub NdrClientInitialize
@@ -273,7 +273,7 @@
 @ stub NdrRpcSsEnableAllocate
 @ stdcall NdrSendReceive(ptr ptr)
 @ stdcall NdrServerCall2(ptr)
-@ stub NdrServerCall
+@ stdcall NdrServerCall(ptr)
 @ stdcall NdrServerContextMarshall(ptr ptr long)
 @ stdcall NdrServerContextNewMarshall(ptr ptr ptr ptr) # wxp
 @ stdcall NdrServerContextNewUnmarshall(ptr ptr) # wxp
@@ -293,7 +293,7 @@
 @ stdcall NdrSimpleTypeMarshall(ptr ptr long)
 @ stdcall NdrSimpleTypeUnmarshall(ptr ptr long)
 @ stdcall NdrStubCall2(ptr ptr ptr ptr)
-@ stub NdrStubCall
+@ stdcall NdrStubCall(ptr ptr ptr ptr)
 @ stdcall NdrStubForwardingFunction(ptr ptr ptr ptr)
 @ stdcall NdrStubGetBuffer(ptr ptr ptr)
 @ stdcall NdrStubInitialize(ptr ptr ptr ptr)