diff --git a/check_home_assistant.py b/check_home_assistant.py
index a782af9..c2eb3ad 100755
--- a/check_home_assistant.py
+++ b/check_home_assistant.py
@@ -23,7 +23,7 @@ try:
     state = state_mes['message']
 except:
     print('Unknown: failed to fetch data')
-    traceback.print_exc()
+    print(traceback.format_exc())
     sys.exit(nagios.STATE_CRIT)
 
 if res.status_code == 200: