diff --git a/wrenchboard/src/shared_tool/history.cc b/wrenchboard/src/shared_tool/history.cc
index 802a5397..853c26ad 100644
--- a/wrenchboard/src/shared_tool/history.cc
+++ b/wrenchboard/src/shared_tool/history.cc
@@ -92,7 +92,7 @@ long  WrenchRefferHx( CVars in, CVars &out )
     try {
         long member_id = REQ_LONG( in, "member_id", 1, -1 );
         long limit = REQ_LONG( in, "limit", 1, -1 );
-        REQ_LONG( in, "offset", 1, -1 );
+        long offset = REQ_LONG( in, "offset", 1, -1 );
         REQ_STRING (in, "uid",   10, 100, "(.*)");
 
         const PGresult *res;