diff --git a/procrastinate/worker.py b/procrastinate/worker.py
index 12de2bde6..109cce8d1 100644
--- a/procrastinate/worker.py
+++ b/procrastinate/worker.py
@@ -148,7 +148,7 @@ async def single_worker(self, worker_id: int):
     async def wait_for_job(self, timeout: float):
         assert self.notify_event
         self.logger.debug(
-            f"Waiting for new jobs on queues " f"{self.base_context.queues_display}",
+            f"Waiting for new jobs on " f"{self.base_context.queues_display}",
             extra=self.base_context.log_extra(
                 action="waiting_for_jobs", queues=self.queues
             ),