diff --git a/horusgui/gui.py b/horusgui/gui.py
index 6802476..4f83b35 100644
--- a/horusgui/gui.py
+++ b/horusgui/gui.py
@@ -1031,6 +1031,8 @@ def handle_new_packet(frame):
             if telemetry_logger:
                 telemetry_logger.add(_decoded)
 
+    # Try and force a refresh of the displays.
+    QtGui.QApplication.processEvents()