diff --git a/awx/main/wsrelay.py b/awx/main/wsrelay.py
index 8a1a834295bd..fdf6d0e4548a 100644
--- a/awx/main/wsrelay.py
+++ b/awx/main/wsrelay.py
@@ -242,7 +242,7 @@ async def on_ws_heartbeat(self, conn):
                 # In this case, we'll be sharing a redis, no need to relay.
                 if payload.get("hostname") == self.local_hostname:
                     hostname = payload.get("hostname")
-                    logger.debug("Received a heartbeat request for {hostname}. Skipping as we use redis for local host.")
+                    logger.debug(f"Received a heartbeat request for {hostname}. Skipping as we use redis for local host.")
                     continue
 
                 action = payload.get("action")