diff --git a/Source/exehead/Main.c b/Source/exehead/Main.c
index a3c9b7e7..57e3cfa9 100644
--- a/Source/exehead/Main.c
+++ b/Source/exehead/Main.c
@@ -120,6 +120,7 @@ EXTERN_C void NSISWinMainNOCRT()
         "DWMAPI\0" // Win7 without KB2533623: UXTheme pulls in DWMAPI.dll
         "CRYPTBASE\0" // Win7 without KB2533623: OleInitialize ... RPCRT4.UuidCreate ... RPCRT4.GenerateRandomNumber
         "OLEACC\0" // Vista: SHFileOperation ... SHELL32.CProgressDialogUI::_Setup ... SHELL32.GetRoleTextW
+        "CLBCATQ\0" // XP.SP2&SP3: SHAutoComplete ... OLE32!InitializeCatalogIfNecessary ... OLE32!CComCatalog::TryToLoadCLB
       ;
       const char *dll;
       for (dll = preload; dll[0]; dll += lstrlenA(dll) + 1)