diff --git a/wrenchboard/src/shared_tool/account_mngt.cc b/wrenchboard/src/shared_tool/account_mngt.cc
index 238f3622..de10b4d7 100644
--- a/wrenchboard/src/shared_tool/account_mngt.cc
+++ b/wrenchboard/src/shared_tool/account_mngt.cc
@@ -29,11 +29,10 @@ long WrenchAccountSetPrefrence(CVars in, CVars &out){
         res = pgsql_query("SELECT id,uid FROM members WHERE id  = %lu", member_id );
 
           if (res != NULL && pgsql_num_rows(res) > 0) {
-            out["total_record"] = pgsql_num_rows(res);
                 map<const char*, const char*>f = pgsql_fetch_assoc(res,0);
                 CVars rec;
                 map_to_cvars(f, rec);
-                pgsql_query("UPDATE members SET account_pref='%s' WHERE id = %lu AND uid = '%s'", in["user_pref"].c_str() ,in["member_id"].Long(), rec["uid"].c_str());
+                pgsql_query("UPDATE members SET account_pref='%s' WHERE id = %lu AND uid::text = '%s'", in["user_pref"].c_str() ,in["member_id"].Long(), rec["uid"].c_str());
         }
 
         ret = PHP_API_OK;