diff --git a/dll/win32/msxml3/msxml3.spec b/dll/win32/msxml3/msxml3.spec
index fd2c20502d0..6f6f7b82f52 100644
--- a/dll/win32/msxml3/msxml3.spec
+++ b/dll/win32/msxml3/msxml3.spec
@@ -7,6 +7,6 @@
 12 stub MSXML3_12
 
 @ stdcall -private DllCanUnloadNow()
-@ stdcall DllGetClassObject(ptr ptr ptr)
+@ stdcall -private DllGetClassObject(ptr ptr ptr)
 @ stdcall -private DllRegisterServer()
 @ stdcall -private DllUnregisterServer()
diff --git a/dll/win32/ole32/ole32.spec b/dll/win32/ole32/ole32.spec
index b56b01d84c6..ac7c4128746 100644
--- a/dll/win32/ole32/ole32.spec
+++ b/dll/win32/ole32/ole32.spec
@@ -134,7 +134,7 @@
 @ stdcall CreateStreamOnHGlobal(ptr long ptr)
 # DcomChannelSetHResult
 @ stdcall DllDebugObjectRPCHook(long ptr)
-@ stdcall DllGetClassObject(ptr ptr ptr)
+@ stdcall -private DllGetClassObject(ptr ptr ptr)
 @ stub DllGetClassObjectWOW
 @ stdcall -private DllRegisterServer()
 @ stdcall DoDragDrop(ptr ptr long ptr)