diff --git a/lib/tfw/components/terminado_event_handler.py b/lib/tfw/components/terminado_event_handler.py
index 9ae7dae..9368f34 100644
--- a/lib/tfw/components/terminado_event_handler.py
+++ b/lib/tfw/components/terminado_event_handler.py
@@ -27,5 +27,6 @@ class TerminadoEventHandler(TriggerlessEventHandler):
         self.terminado_server.pty.write(data['shellcmd'])
 
     def read(self, data):
-        data['history'] = self.monitor.history[-int(data.get('count', 1)):]
+        data['count'] = int(data.get('count', 1))
+        data['history'] = self.monitor.history[-data['count']:]
         return data