diff --git a/periodic_task_manager.go b/periodic_task_manager.go
index 3b927dd..c0fd01e 100644
--- a/periodic_task_manager.go
+++ b/periodic_task_manager.go
@@ -172,8 +172,8 @@ func (mgr *PeriodicTaskManager) add(configs []*PeriodicTaskConfig) {
 	for _, c := range configs {
 		entryID, err := mgr.s.Register(c.Cronspec, c.Task, c.Opts...)
 		if err != nil {
-			mgr.s.logger.Errorf("Failed to register periodic task: cronspec=%q task=%q",
-				c.Cronspec, c.Task.Type())
+			mgr.s.logger.Errorf("Failed to register periodic task: cronspec=%q task=%q err=%v",
+				c.Cronspec, c.Task.Type(), err)
 			continue
 		}
 		mgr.m[c.hash()] = entryID
diff --git a/scheduler.go b/scheduler.go
index ecb3c3c..0026185 100644
--- a/scheduler.go
+++ b/scheduler.go
@@ -334,7 +334,6 @@ func (s *Scheduler) beat() {
 		}
 		entries = append(entries, e)
 	}
-	s.logger.Debugf("Writing entries %v", entries)
 	if err := s.rdb.WriteSchedulerEntries(s.id, entries, s.heartbeatInterval*2); err != nil {
 		s.logger.Warnf("Scheduler could not write heartbeat data: %v", err)
 	}