diff --git a/source/game/scripting/StarUniverseServerLuaBindings.cpp b/source/game/scripting/StarUniverseServerLuaBindings.cpp
index ac513a2..f6f5cd7 100644
--- a/source/game/scripting/StarUniverseServerLuaBindings.cpp
+++ b/source/game/scripting/StarUniverseServerLuaBindings.cpp
@@ -19,7 +19,7 @@ LuaCallbacks LuaBindings::makeUniverseServerCallbacks(UniverseServer* universe)
   callbacks.registerCallbackWithSignature<bool, ConnectionId>("isPvp", bind(UniverseServerCallbacks::isPvp, universe, _1));
   callbacks.registerCallbackWithSignature<void, ConnectionId, bool>("setPvp", bind(UniverseServerCallbacks::setPvp, universe, _1, _2));
   callbacks.registerCallbackWithSignature<bool, String>("isWorldActive", bind(UniverseServerCallbacks::isWorldActive, universe, _1));
-  callbacks.registerCallbackWithSignature<bool, StringList>("activeWorlds", bind(UniverseServerCallbacks::activeWorlds, universe));
+  callbacks.registerCallbackWithSignature<StringList>("activeWorlds", bind(UniverseServerCallbacks::activeWorlds, universe));
   callbacks.registerCallbackWithSignature<RpcThreadPromise<Json>, String, String, LuaVariadic<Json>>("sendWorldMessage", bind(UniverseServerCallbacks::sendWorldMessage, universe, _1, _2, _3));
 
   return callbacks;