diff --git a/src/teletext/renderer.py b/src/teletext/renderer.py
index 12b2730..23b5734 100755
--- a/src/teletext/renderer.py
+++ b/src/teletext/renderer.py
@@ -1,7 +1,7 @@
 
 from PyQt6.QtWidgets import QWidget
 from PyQt6.QtGui import QPainter, QColor, QFont, QImage, QBrush, QPen
-from PyQt6.QtCore import Qt, QRect, QSize, pyqtSignal
+from PyQt6.QtCore import Qt, QRect, QSize, pyqtSignal, QTimer
 
 from .models import Page, Packet
 from .charsets import get_char, get_byte_from_char