diff --git a/src/client/luafunctions.cpp b/src/client/luafunctions.cpp
index 42636904..eec2e751 100644
--- a/src/client/luafunctions.cpp
+++ b/src/client/luafunctions.cpp
@@ -62,7 +62,6 @@ void Client::registerLuaFunctions()
     g_lua.bindSingletonFunction("g_things", "isDatLoaded", &ThingTypeManager::isDatLoaded, &g_things);
     g_lua.bindSingletonFunction("g_things", "isOtbLoaded", &ThingTypeManager::isOtbLoaded, &g_things);
     g_lua.bindSingletonFunction("g_things", "getDatSignature", &ThingTypeManager::getDatSignature, &g_things);
-    g_lua.bindSingletonFunction("g_things", "getDatSignature", &ThingTypeManager::getDatSignature, &g_things);
     g_lua.bindSingletonFunction("g_things", "getThingType", &ThingTypeManager::getThingType, &g_things);
     g_lua.bindSingletonFunction("g_things", "getItemType", &ThingTypeManager::getItemType, &g_things);
     g_lua.bindSingletonFunction("g_things", "getThingTypes", &ThingTypeManager::getThingTypes, &g_things);