diff --git a/res/scripts/stdlib.lua b/res/scripts/stdlib.lua
index ac073df25..155d95c0c 100644
--- a/res/scripts/stdlib.lua
+++ b/res/scripts/stdlib.lua
@@ -35,6 +35,7 @@ local __vc__app_script_coroutine
 local function complete_app_lib(app)
     local __core_load_content = core.load_content
     local __core_reset_content = core.reset_content
+    local __core_reconfig_packs = core.reconfig_packs
     local __app_tick = coroutine.yield
     core.load_content = nil
     core.reset_content = nil
@@ -47,37 +48,36 @@ local function complete_app_lib(app)
     app.close_world = core.close_world
     app.reopen_world = core.reopen_world
     app.delete_world = core.delete_world
-    app.reconfig_packs = core.reconfig_packs
     app.get_setting = core.get_setting
     app.set_setting = core.set_setting
     app.tick = __app_tick
     app.get_version = core.get_version
     app.get_setting_info = core.get_setting_info
 
-    local function require_app_script_co()
+    local function call_in_app_script_co(func, ...)
         if coroutine.running() ~= __vc__app_script_coroutine then
             error("content must be reload in application script coroutine")
         end
+        func(...)
+        __app_tick()
     end
 
-    app.load_content = function()
-        require_app_script_co()
-        __core_load_content()
-        __app_tick()
+    app.reconfig_packs = function(...)
+        call_in_app_script_co(__core_reconfig_packs, ...)
     end
-    app.reset_content = function()
-        require_app_script_co()
-        __core_reset_content()
-        __app_tick()
+    app.load_content = function(...)
+        call_in_app_script_co(__core_load_content, ...)
+    end
+    app.reset_content = function(...)
+        call_in_app_script_co(__core_reset_content, ...)
     end
 
     app.is_content_loaded = core.is_content_loaded
-    app.set_title = core.set_title
-    
+
     function app.config_packs(packs_list)
         -- Check if packs are valid and add dependencies to the configuration
         packs_list = pack.assemble(packs_list)
-        
+
         local installed = pack.get_installed()
         local toremove = {}
         for _, packid in ipairs(installed) do
diff --git a/src/logic/scripting/lua/libs/libapp.cpp b/src/logic/scripting/lua/libs/libapp.cpp
index c40aa63bd..6d975af31 100644
--- a/src/logic/scripting/lua/libs/libapp.cpp
+++ b/src/logic/scripting/lua/libs/libapp.cpp
@@ -96,6 +96,12 @@ static int l_reset_content_sources(lua::State* L) {
     return 0;
 }
 
+static int l_set_title(lua::State* L) {
+    auto title = lua::require_string(L, 1);
+    engine->getWindow().setTitle(title);
+    return 0;
+}
+
 const luaL_Reg applib[] = {
     {"start_debug_instance", lua::wrap<l_start_debug_instance>},
     {"focus", lua::wrap<l_focus>},
@@ -103,6 +109,7 @@ const luaL_Reg applib[] = {
     {"get_content_sources", lua::wrap<l_get_content_sources>},
     {"set_content_sources", lua::wrap<l_set_content_sources>},
     {"reset_content_sources", lua::wrap<l_reset_content_sources>},
+    {"set_title", lua::wrap<l_set_title>},
     // for other functions see libcore.cpp and stdlib.lua
     {nullptr, nullptr}
 };
diff --git a/src/logic/scripting/lua/libs/libcore.cpp b/src/logic/scripting/lua/libs/libcore.cpp
index e4d5474c7..a3e0f5687 100644
--- a/src/logic/scripting/lua/libs/libcore.cpp
+++ b/src/logic/scripting/lua/libs/libcore.cpp
@@ -300,12 +300,6 @@ static int l_capture_output(lua::State* L) {
     return 1;
 }
 
-static int l_set_title(lua::State* L) {
-    auto title = lua::require_string(L, 1);
-    engine->getWindow().setTitle(title);
-    return 0;
-}
-
 const luaL_Reg corelib[] = {
     {"blank", lua::wrap<l_blank>},
     {"get_version", lua::wrap<l_get_version>},
@@ -327,6 +321,5 @@ const luaL_Reg corelib[] = {
     {"open_url", lua::wrap<l_open_url>},
     {"quit", lua::wrap<l_quit>},
     {"capture_output", lua::wrap<l_capture_output>},
-    {"set_title", lua::wrap<l_set_title>},
     {nullptr, nullptr}
 };