diff --git a/server/gameserver/app.cc b/server/gameserver/app.cc
index a2e985a4..e1889eea 100644
--- a/server/gameserver/app.cc
+++ b/server/gameserver/app.cc
@@ -504,7 +504,7 @@ bool App::ParseOpt()
 
 std::string App::NewUuid()
 {
-    return a8::XValue(uuid.Generate()).GetString();
+    return a8::XValue(uuid_.Generate()).GetString();
 }
 
 bool App::HasFlag(int flag)