diff --git a/include.pri b/include.pri
new file mode 100644
index 0000000..e5f2f1d
--- /dev/null
+++ b/include.pri
@@ -0,0 +1,11 @@
+
+HEADERS += \
+    $$PWD/src/telegrambot.h \
+    $$PWD/modules/httpserver/httpserver.h \
+    $$PWD/vendor/qdelegate/include/qdelegate.h
+
+INCLUDEPATH += $$PWD/src/
+INCLUDEPATH += $$PWD/modules/sslserver/
+INCLUDEPATH += $$PWD/modules/httpserver/
+INCLUDEPATH += $$PWD/vendor/qdelegate/include/
+
diff --git a/src/telegramdatastructs.h b/src/telegramdatastructs.h
index c8e16c9..5023a75 100644
--- a/src/telegramdatastructs.h
+++ b/src/telegramdatastructs.h
@@ -234,7 +234,7 @@ typedef QList<QList<TelegramBotKeyboardButton>> TelegramKeyboard;
 
 // TelegramBotChat - This object represents a chat.
 struct TelegramBotChat : public TelegramBotObject {
-    qint32 id; // Unique identifier for this chat. This number may be greater than 32 bits and some programming languages may have difficulty/silent defects in interpreting it. But it is smaller than 52 bits, so a signed 64 bit integer or double-precision float type are safe for storing this identifier.
+    qint64  id; // Unique identifier for this chat. This number from now can be signed 64 bit integer or double-precision float type are safe for storing this identifier.
     QString type; // Type of chat, can be either “private”, “group”, “supergroup” or “channel”
     QString title; // Optional. Title, for supergroups, channels and group chats
     QString username; // Optional. Username, for private chats, supergroups and channels if available
@@ -247,7 +247,7 @@ struct TelegramBotChat : public TelegramBotObject {
 
     // parse logic
     virtual void fromJson(QJsonObject& object) {
-        JsonHelperT<qint32>::jsonPathGet(object, "id", this->id);
+        JsonHelperT<qint64>::jsonPathGet(object, "id", this->id);
         JsonHelperT<QString>::jsonPathGet(object, "type", this->type);
         JsonHelperT<QString>::jsonPathGet(object, "title", this->title, false);
         JsonHelperT<QString>::jsonPathGet(object, "username", this->username, false);