diff --git a/poller.go b/poller.go
index e1aea313..0f9b74d2 100644
--- a/poller.go
+++ b/poller.go
@@ -100,7 +100,6 @@ func (p *LongPoller) Poll(b *Bot, dest chan Update, stop chan struct{}) {
 		updates, err := b.getUpdates(p.LastUpdateID+1, p.Limit, p.Timeout, p.AllowedUpdates)
 		if err != nil {
 			b.debug(err)
-			b.debug(ErrCouldNotUpdate)
 			continue
 		}
 
diff --git a/util.go b/util.go
index b6bb2bfe..844dbd3d 100644
--- a/util.go
+++ b/util.go
@@ -11,11 +11,10 @@ import (
 )
 
 func (b *Bot) debug(err error) {
-	err = errors.WithStack(err)
 	if b.reporter != nil {
 		b.reporter(err)
 	} else {
-		log.Printf("%+v\n", err)
+		log.Println(err)
 	}
 }