diff --git a/dlls/oleaut32/varformat.c b/dlls/oleaut32/varformat.c
index f8ccfd3a99d..095cc6cf2e6 100644
--- a/dlls/oleaut32/varformat.c
+++ b/dlls/oleaut32/varformat.c
@@ -2199,7 +2199,7 @@ HRESULT WINAPI VarFormatNumber(LPVARIANT pVarIn, INT nDigits, INT nLeading, INT
   hRet = VariantCopyInd(&vStr, pVarIn);
 
   if (SUCCEEDED(hRet))
-    hRet = VariantChangeTypeEx(&vStr, &vStr, LOCALE_USER_DEFAULT, 0, VT_BSTR);
+    hRet = VariantChangeTypeEx(&vStr, &vStr, LCID_US, 0, VT_BSTR);
 
   if (SUCCEEDED(hRet))
   {