diff --git a/include/urldefid.h b/include/urldefid.h
index 2c826924c..6e7a3f10a 100755
--- a/include/urldefid.h
+++ b/include/urldefid.h
@@ -29,7 +29,7 @@
 
 #define STR_FIRMNAME    101
 
-#if XVT_OS == XVT_OS_WIN || XVT_OS == XVT_OS_NT
+#if XVT_OS == XVT_OS_WIN || XVT_OS == XVT_OS_WIN32
 
 #define ICO_SEARCH    109
 #define ICO_CHECK_ON  110