diff --git a/session/send.go b/session/send.go
index 9fa1a411874994c5744de991fe535e1aee4319ca..73899b2d10f13a4a9e8fa766a6462082045e6ab6 100644
--- a/session/send.go
+++ b/session/send.go
@@ -201,8 +201,7 @@ func (s *Session) BlockingSendUnreliableMessage(recipient, provider string, mess
 		return nil, err
 	}
 	// wait until sent so that we know the ReplyETA for the waiting below
-	sentMessageRaw := <-sentWaitChan
-	sentMessage := sentMessageRaw.(*Message)
+	sentMessage := <-sentWaitChan
 	s.sentWaitChanMap.Delete(*msg.ID)
 	// wait for reply or round trip timeout
 	select {