diff --git a/src/luaengineapp/edit.lua b/src/luaengineapp/edit.lua
index e1f24bf..126a386 100644
--- a/src/luaengineapp/edit.lua
+++ b/src/luaengineapp/edit.lua
@@ -129,5 +129,5 @@ end
 
 function closeDialog(pushButton)
     disconnect(pushButton, "clicked()")
-    closeWidget(getParent(pushButton))
+    closeWidget(getWindow(pushButton))
 end
diff --git a/src/luaenginegui/luaengine/LuaEngineGui.cpp b/src/luaenginegui/luaengine/LuaEngineGui.cpp
index 0fa5775..b853371 100644
--- a/src/luaenginegui/luaengine/LuaEngineGui.cpp
+++ b/src/luaenginegui/luaengine/LuaEngineGui.cpp
@@ -131,6 +131,9 @@ void LuaEngineGui::pushClass(lua_State *L_p)
     pushVariant(L_p, "SizePolicyPreferred", (int)QSizePolicy::Preferred);
     pushVariant(L_p, "SizePolicyExpanding", (int)QSizePolicy::Expanding);
     pushVariant(L_p, "SizePolicyIgnored", (int)QSizePolicy::Ignored);
+
+    // Object
+    pushFunction(L_p, "getWindow", getWindow);
 }
 
 void LuaEngineGui::pushClass(LuaEngine *luaEngine)
@@ -796,6 +799,36 @@ int LuaEngineGui::createTextEdit(lua_State *L_p)
     return 1;
 }
 
+int LuaEngineGui::getWindow(lua_State *L_p)
+{
+    if (getArgumentCount(L_p) >= 1) {
+        void *pointer = getPointer(L_p, 1);
+        if (pointer != NULL) {
+            bool isWindow = false;
+            QObject *object = ((QObject*)pointer);
+            while (!isWindow) {
+                if (object->inherits("QDialog") || object->inherits("QMainWindow")) {
+                    isWindow = true;
+                }
+                else {
+                    QObject *parent = object->parent();
+                    if (parent != NULL) {
+                        object = parent;
+                    }
+                    else {
+                        break;
+                    }
+                }
+            }
+            if (isWindow) {
+                pushPointer(L_p, object);
+                return 1;
+            }
+        }
+    }
+    return 0;
+}
+
 int LuaEngineGui::getWidgetText(lua_State *L_p)
 {
     if (getArgumentCount(L_p) >= 1) {
diff --git a/src/luaenginegui/luaengine/LuaEngineGui.h b/src/luaenginegui/luaengine/LuaEngineGui.h
index d69019d..c690ec0 100644
--- a/src/luaenginegui/luaengine/LuaEngineGui.h
+++ b/src/luaenginegui/luaengine/LuaEngineGui.h
@@ -59,6 +59,7 @@ public:
     static int createSpacerItem(lua_State *L_p);
     static int createTextEdit(lua_State *L_p);
     static int getWidgetText(lua_State *L_p);
+    static int getWindow(lua_State *L_p);
 
 private:
     lua_State *L;