diff --git a/cfg/windows.cfg b/cfg/windows.cfg
index c83ee56f7..38d7043de 100644
--- a/cfg/windows.cfg
+++ b/cfg/windows.cfg
@@ -7039,6 +7039,8 @@ HFONT CreateFont(
   <define name="WINCODEC_ERR_INVALIDQUERYCHARACTER" value="0x88982F93"/>
   <define name="WINCODEC_ERR_WIN32ERROR" value="0x88982F94"/>
   <define name="WINCODEC_ERR_INVALIDPROGRESSIVELEVEL" value="0x88982F95"/>
+  <define name="S_OK" value="((HRESULT)0L)"/>
+  <define name="S_FALSE" value="((HRESULT)1L)"/>
   <!-- Winerror.h: COM Error Codes (WPN, MBN, P2P, Bluetooth) -->
   <define name="WPN_E_CHANNEL_CLOSED" value="0x803E0100"/>
   <define name="WPN_E_CHANNEL_REQUEST_NOT_COMPLETE" value="0x803E0101"/>