diff --git a/bots/check-mirroring b/bots/check-mirroring
index 8a131d8..a136b85 100755
--- a/bots/check-mirroring
+++ b/bots/check-mirroring
@@ -117,7 +117,7 @@ def send_zulip(message):
     if result["result"] != "success":
         logger.error("Error sending zulip, args were:")
         logger.error(str(message))
-        logger.error(result)
+        logger.error(str(result))
         print_status_and_exit(1)
 
 # Returns True if and only if we "Detected server failure" sending the zephyr.