diff --git a/tangostationcontrol/tangostationcontrol/zeromq/publisher.py b/tangostationcontrol/tangostationcontrol/zeromq/publisher.py
index cc4580db133486dbb3548bcdf12d233504fa026a..124fa861c3a9d6c69a72136f853020fdae0b949c 100644
--- a/tangostationcontrol/tangostationcontrol/zeromq/publisher.py
+++ b/tangostationcontrol/tangostationcontrol/zeromq/publisher.py
@@ -105,7 +105,9 @@ class ZeroMQPublisher:
                 try:
                     now = datetime.now().astimezone(tz=timezone.utc).isoformat()
                     for topic in self._topics:
-                        logger.debug("Publisher send message with payload of size: %s", len(msg))
+                        logger.debug(
+                            "Publisher send message with payload of size: %s", len(msg)
+                        )
                         msg = [topic, now.encode("utf-8"), f"{msg}".encode("utf-8")]
                         self._publisher.send_multipart(msg)
                 finally: