diff --git a/dlls/shell32/shellole.c b/dlls/shell32/shellole.c
index e39a57a90c4..e5d8368202d 100644
--- a/dlls/shell32/shellole.c
+++ b/dlls/shell32/shellole.c
@@ -55,7 +55,7 @@ static const WCHAR sShell32[12] = {'S','H','E','L','L','3','2','.','D','L','L','
  * Default ClassFactory types
  */
 typedef HRESULT (CALLBACK *LPFNCREATEINSTANCE)(IUnknown* pUnkOuter, REFIID riid, LPVOID* ppvObject);
-IClassFactory * IDefClF_fnConstructor(LPFNCREATEINSTANCE lpfnCI, PLONG pcRefDll, REFIID riidInst);
+static IClassFactory * IDefClF_fnConstructor(LPFNCREATEINSTANCE lpfnCI, PLONG pcRefDll, REFIID riidInst);
 
 /* this table contains all CLSID's of shell32 objects */
 static const struct {
@@ -397,7 +397,7 @@ static const IClassFactoryVtbl dclfvt;
  *  IDefClF_fnConstructor
  */
 
-IClassFactory * IDefClF_fnConstructor(LPFNCREATEINSTANCE lpfnCI, PLONG pcRefDll, REFIID riidInst)
+static IClassFactory * IDefClF_fnConstructor(LPFNCREATEINSTANCE lpfnCI, PLONG pcRefDll, REFIID riidInst)
 {
 	IDefClFImpl* lpclf;