diff --git a/tooz/drivers/redis.py b/tooz/drivers/redis.py
index 8d6be827..00a0ba78 100644
--- a/tooz/drivers/redis.py
+++ b/tooz/drivers/redis.py
@@ -99,7 +99,8 @@ class RedisLock(locking.Lock):
             with _translate_failures():
                 try:
                     self._lock.release()
-                except exceptions.LockError:
+                except exceptions.LockError as e:
+                    LOG.error("Unable to release lock '%r': %s", self, e)
                     return False
                 self._coord._acquired_locks.discard(self)
                 return True