diff --git a/a_sync/primitives/locks/prio_semaphore.py b/a_sync/primitives/locks/prio_semaphore.py
index 44a2a45a..98691b1c 100644
--- a/a_sync/primitives/locks/prio_semaphore.py
+++ b/a_sync/primitives/locks/prio_semaphore.py
@@ -116,7 +116,7 @@ def _wake_up_next(self) -> None:
             logger.debug('we found a lost waiter %s', waiter)
             if not waiter.done():
                 waiter.set_result(None)
-                logger.warning("woke up lost waiter %s", waiter)
+                logger.debug("woke up lost waiter %s", waiter)
                 return
         logger.debug("%s has no waiters to wake", self)