diff --git a/cfg/windows.cfg b/cfg/windows.cfg
index 26448004810b..6a761bcfa44c 100644
--- a/cfg/windows.cfg
+++ b/cfg/windows.cfg
@@ -7119,8 +7119,8 @@ HFONT CreateFont(
   <define name="afx_msg" value=""/>
   <define name="AFX_EXT_CLASS" value=""/>
   <define name="DEBUG_NEW" value="new"/>
-  <define name="INVALID_HANDLE_VALUE" value="0"/>
-  <define name="INVALID_SOCKET" value="0"/>
+  <define name="INVALID_HANDLE_VALUE" value="-1"/>
+  <define name="INVALID_SOCKET" value="~0"/>
   <define name="WINAPI" value="__stdcall"/>
   <define name="STDMETHODCALLTYPE" value="__stdcall"/>
   <define name="STDMETHODIMP" value="HRESULT STDMETHODCALLTYPE"/>