diff --git a/Server/mods/deathmatch/logic/luadefs/CLuaAccountDefs.cpp b/Server/mods/deathmatch/logic/luadefs/CLuaAccountDefs.cpp
index 00af288416..4490fe8f12 100644
--- a/Server/mods/deathmatch/logic/luadefs/CLuaAccountDefs.cpp
+++ b/Server/mods/deathmatch/logic/luadefs/CLuaAccountDefs.cpp
@@ -179,7 +179,7 @@ int CLuaAccountDefs::IsGuestAccount(lua_State* luaVM)
     else
         m_pScriptDebugging->LogCustom(luaVM, argStream.GetFullErrorMessage());
 
-    lua_pushboolean(luaVM, false);
+    lua_pushnil(luaVM);
     return 1;
 }