diff --git a/dll/win32/mapi32/mapi32.spec b/dll/win32/mapi32/mapi32.spec
index 3defcfe9d0f..b530e8e2dad 100644
--- a/dll/win32/mapi32/mapi32.spec
+++ b/dll/win32/mapi32/mapi32.spec
@@ -16,8 +16,8 @@
  24 stub PRProviderInit
  25 stub LAUNCHWIZARD
  26 stub LaunchWizard@20
- stdcall -private DllGetClassObject(ptr ptr ptr)
- stdcall -private DllCanUnloadNow()
+ @ stdcall -private DllGetClassObject(ptr ptr ptr)
+ @ stdcall -private DllCanUnloadNow()
  29 stdcall MAPIOpenFormMgr(ptr ptr)
  30 stdcall MAPIOpenFormMgr@8(ptr ptr) MAPIOpenFormMgr
  31 stdcall MAPIOpenLocalFormContainer(ptr)