diff --git a/dlls/ole32/ole32.spec b/dlls/ole32/ole32.spec
index 3ae0240bd3e..e018b0fbe50 100644
--- a/dlls/ole32/ole32.spec
+++ b/dlls/ole32/ole32.spec
@@ -58,6 +58,7 @@
 @ stdcall CoRegisterMessageFilter(ptr ptr)
 @ stdcall CoRegisterPSClsid(ptr ptr)
 @ stub CoRegisterSurrogate
+@ stub CoRegisterSurrogateEx
 @ stdcall CoReleaseMarshalData(ptr)
 @ stdcall CoReleaseServerProcess()
 @ stdcall CoResumeClassObjects()