diff --git a/src/delegates.h b/src/delegates.h
index f179251d..61360464 100644
--- a/src/delegates.h
+++ b/src/delegates.h
@@ -6,6 +6,7 @@
 
 using runnable = std::function<void()>;
 using stringconsumer = std::function<void(const std::string&)>;
+using wstringsupplier = std::function<std::wstring()>;
 using wstringconsumer = std::function<void(const std::wstring&)>;
 
 #endif // DELEGATES_H_
diff --git a/src/frontend/UiDocument.cpp b/src/frontend/UiDocument.cpp
index b47d8363..9df8f123 100644
--- a/src/frontend/UiDocument.cpp
+++ b/src/frontend/UiDocument.cpp
@@ -55,7 +55,7 @@ std::unique_ptr<UiDocument> UiDocument::read(AssetsLoader& loader, int penv, std
     const std::string text = files::read_string(file);
     auto xmldoc = xml::parse(file.u8string(), text);
 
-    auto env = scripting::create_environment(penv);
+    auto env = scripting::create_doc_environment(penv, namesp);
     gui::UiXmlReader reader(*env, loader);
     InventoryView::createReaders(reader);
     auto view = reader.readXML(
diff --git a/src/frontend/gui/controls.h b/src/frontend/gui/controls.h
index df6208fc..ae07b4d7 100644
--- a/src/frontend/gui/controls.h
+++ b/src/frontend/gui/controls.h
@@ -17,9 +17,6 @@ class Batch2D;
 class Assets;
 
 namespace gui {
-    using wstringsupplier = std::function<std::wstring()>;
-    using wstringconsumer = std::function<void(std::wstring)>;
-
     using doublesupplier = std::function<double()>;
     using doubleconsumer = std::function<void(double)>;
 
diff --git a/src/frontend/gui/gui_xml.cpp b/src/frontend/gui/gui_xml.cpp
index f2d7a7e1..2721b5c1 100644
--- a/src/frontend/gui/gui_xml.cpp
+++ b/src/frontend/gui/gui_xml.cpp
@@ -133,7 +133,7 @@ static std::shared_ptr<UINode> readButton(UiXmlReader& reader, xml::xmlelement e
         auto callback = scripting::create_runnable(
             reader.getEnvironment().getId(),
             element->attr("onclick").getText(),
-            "<onclick>"
+            reader.getFilename()+".lua"
         );
         button->listenAction([callback](GUI*) {
             callback();
@@ -156,7 +156,7 @@ static std::shared_ptr<UINode> readTextBox(UiXmlReader& reader, xml::xmlelement
         auto consumer = scripting::create_wstring_consumer(
             reader.getEnvironment().getId(),
             element->attr("consumer").getText(),
-            reader.getFilename()
+            reader.getFilename()+"lua"
         );
         textbox->textConsumer(consumer);
     }
diff --git a/src/frontend/hud.cpp b/src/frontend/hud.cpp
index b951ad2d..6c663285 100644
--- a/src/frontend/hud.cpp
+++ b/src/frontend/hud.cpp
@@ -43,6 +43,7 @@
 #include "LevelFrontend.h"
 #include "UiDocument.h"
 #include "../engine.h"
+#include "../delegates.h"
 #include "../core_defs.h"
 #include "../items/ItemDef.h"
 #include "../items/Inventory.h"
@@ -53,7 +54,7 @@ using glm::vec3;
 using glm::vec4;
 using namespace gui;
 
-static std::shared_ptr<Label> create_label(gui::wstringsupplier supplier) {
+static std::shared_ptr<Label> create_label(wstringsupplier supplier) {
     auto label = std::make_shared<Label>(L"-");
     label->textSupplier(supplier);
     return label;
diff --git a/src/frontend/menu.cpp b/src/frontend/menu.cpp
index 6a0dba3a..83bc2640 100644
--- a/src/frontend/menu.cpp
+++ b/src/frontend/menu.cpp
@@ -24,6 +24,7 @@
 #include "../window/Window.h"
 #include "../engine.h"
 #include "../settings.h"
+#include "../delegates.h"
 #include "../content/Content.h"
 #include "../content/ContentLUT.h"
 #include "../content/ContentPack.h"
@@ -46,7 +47,7 @@ inline uint64_t randU64() {
         ((uint64_t)rand() << 56);
 }
 
-static std::shared_ptr<Label> create_label(gui::wstringsupplier supplier) {
+static std::shared_ptr<Label> create_label(wstringsupplier supplier) {
     auto label = std::make_shared<Label>(L"-");
     label->textSupplier(supplier);
     return label;
diff --git a/src/logic/scripting/scripting.cpp b/src/logic/scripting/scripting.cpp
index d40ef210..9daf7c77 100644
--- a/src/logic/scripting/scripting.cpp
+++ b/src/logic/scripting/scripting.cpp
@@ -74,7 +74,6 @@ wstringconsumer scripting::create_wstring_consumer(
     const std::string& src,
     const std::string& file
 ) {
-    auto funcName = state->storeAnonymous();
     return [=](const std::wstring& x){
         try {
             if (state->eval(env, src, file) == 0)
@@ -119,6 +118,18 @@ std::unique_ptr<Environment> scripting::create_pack_environment(const ContentPac
     state->setfield("PACK_ENV");
     state->pushstring(pack.id);
     state->setfield("PACK_ID");
+    state->pop();
+    return std::make_unique<Environment>(id);
+}
+
+std::unique_ptr<Environment> scripting::create_doc_environment(int parent, const std::string& name) {
+    int id = state->createEnvironment(parent);
+    state->pushenv(id);
+    state->pushvalue(-1);
+    state->setfield("DOC_ENV");
+    state->pushstring(name.c_str());
+    state->setfield("DOC_NAME");
+    state->pop();
     return std::make_unique<Environment>(id);
 }
 
diff --git a/src/logic/scripting/scripting.h b/src/logic/scripting/scripting.h
index 12e2372d..b99af39f 100644
--- a/src/logic/scripting/scripting.h
+++ b/src/logic/scripting/scripting.h
@@ -63,6 +63,7 @@ namespace scripting {
 
     std::unique_ptr<Environment> create_environment(int parent=0);
     std::unique_ptr<Environment> create_pack_environment(const ContentPack& pack);
+    std::unique_ptr<Environment> create_doc_environment(int parent, const std::string& name);
 
     void on_world_load(Level* level, BlocksController* blocks);
     void on_world_save();