diff --git a/programs/oleview/typelib.c b/programs/oleview/typelib.c
index 7f32cfe4626..db28545ec72 100644
--- a/programs/oleview/typelib.c
+++ b/programs/oleview/typelib.c
@@ -243,6 +243,7 @@ int EnumFuncs(ITypeInfo *pTypeInfo, int cFuncs, HTREEITEM hParent)
 
         U(tvis).item.cchTextMax = SysStringLen(bstrName);
         U(tvis).item.pszText = bstrName;
+        U(tvis).item.lParam = 0;
 
         SendMessage(typelib.hTree, TVM_INSERTITEM, 0, (LPARAM)&tvis);
         SysFreeString(bstrName);