diff --git a/dlls/rpcrt4/ndr_es.c b/dlls/rpcrt4/ndr_es.c
index 9a569398e69..b336c21c995 100644
--- a/dlls/rpcrt4/ndr_es.c
+++ b/dlls/rpcrt4/ndr_es.c
@@ -445,6 +445,12 @@ void RPC_ENTRY NdrMesTypeDecode2(handle_t Handle, const MIDL_TYPE_PICKLING_INFO
     FIXME("(%p, %p, %p, %p, %p)\n", Handle, pPicklingInfo, pStubDesc, pFormatString, pObject);
 }
 
+void RPC_ENTRY NdrMesTypeEncode2(handle_t Handle, const MIDL_TYPE_PICKLING_INFO *pPicklingInfo,
+    const MIDL_STUB_DESC *pStubDesc, PFORMAT_STRING pFormatString, const void *pObject)
+{
+    FIXME("(%p, %p, %p, %p, %p)\n", Handle, pPicklingInfo, pStubDesc, pFormatString, pObject);
+}
+
 void RPC_ENTRY NdrMesTypeFree2(handle_t Handle, const MIDL_TYPE_PICKLING_INFO *pPicklingInfo,
     const MIDL_STUB_DESC *pStubDesc, PFORMAT_STRING pFormatString, void *pObject)
 {
diff --git a/dlls/rpcrt4/rpcrt4.spec b/dlls/rpcrt4/rpcrt4.spec
index 477b3f0734d..e0c6c11127f 100644
--- a/dlls/rpcrt4/rpcrt4.spec
+++ b/dlls/rpcrt4/rpcrt4.spec
@@ -227,7 +227,7 @@
 @ stub NdrMesTypeAlignSize
 @ stdcall NdrMesTypeDecode2(ptr ptr ptr ptr ptr)
 @ stub NdrMesTypeDecode
-@ stub NdrMesTypeEncode2
+@ stdcall NdrMesTypeEncode2(ptr ptr ptr ptr ptr)
 @ stub NdrMesTypeEncode
 @ stdcall NdrMesTypeFree2(ptr ptr ptr ptr ptr)
 @ stdcall NdrNonConformantStringBufferSize(ptr ptr ptr)