diff --git a/dlls/ole32/ole2stubs.c b/dlls/ole32/ole2stubs.c
index b5423564905..f04c76002a7 100644
--- a/dlls/ole32/ole2stubs.c
+++ b/dlls/ole32/ole2stubs.c
@@ -273,3 +273,12 @@ HRESULT WINAPI FreePropVariantArray(ULONG cVariants, /*PROPVARIANT* */void* rgva
 
 	return S_OK;
 }
+
+/***********************************************************************
+ *           CoIsOle1Class                              [OLE32]
+ */
+BOOL WINAPI CoIsOle1Class(REFCLSID clsid)
+{
+  FIXME("%s\n", debugstr_guid(clsid));
+  return FALSE;
+}
diff --git a/dlls/ole32/ole32.spec b/dlls/ole32/ole32.spec
index 8b02386f5e5..f4226f1be00 100644
--- a/dlls/ole32/ole32.spec
+++ b/dlls/ole32/ole32.spec
@@ -35,7 +35,7 @@ import kernel32.dll
  26 stdcall CoInitialize(ptr) CoInitialize
  27 stdcall CoInitializeWOW(long long) CoInitializeWOW
  28 stub CoIsHandlerConnected       # stdcall (ptr) return 0,ERR_NOTIMPLEMENTED
- 29 stub CoIsOle1Class              # stdcall (ptr) return 0,ERR_NOTIMPLEMENTED
+ 29 stdcall CoIsOle1Class (ptr) CoIsOle1Class
  30 stdcall CoLoadLibrary(wstr long) CoLoadLibrary
  31 stdcall CoLockObjectExternal(ptr long long) CoLockObjectExternal
  32 stub CoMarshalHresult           # stdcall (ptr ptr) return 0,ERR_NOTIMPLEMENTED