diff --git a/include/urldefid.h b/include/urldefid.h
index 4a295c16f..58f52d213 100755
--- a/include/urldefid.h
+++ b/include/urldefid.h
@@ -123,6 +123,7 @@
 #define TOOL_LASTREC    125
 #define TOOL_FINDREC    126
 
+#define TOOL_CHECK      131
 #define TOOL_OLE        135
 #define TOOL_EMAIL      139
 #define TOOL_SIGNMAIL   142