diff --git a/telemovris/telemovris.py b/telemovris/telemovris.py
index 87e59ae..921c898 100644
--- a/telemovris/telemovris.py
+++ b/telemovris/telemovris.py
@@ -111,6 +111,10 @@ while True:
             message = response_json["message"]
             audio = response_json["audio"]
             max_duration = response_json["max_duration"]
+            try:
+                max_duration = int(max_duration)
+            except:
+                max_duration = MAX_CALL_DURATION
             logging.info(f"Calling {user}")
             loop.run_until_complete(main(f"@{user}", message, audio, max_duration))
             logging.info("Call finished")