diff --git a/src/croc/croc.go b/src/croc/croc.go
index b4dbde8f..f0565ed3 100644
--- a/src/croc/croc.go
+++ b/src/croc/croc.go
@@ -510,12 +510,17 @@ func (c *Client) CreateOfferer(finished chan<- error) (pc *webrtc.PeerConnection
 		}
 		err = box.Unbundle(string(dcMsg.Data), c.Key, &fd)
 		if err == nil {
+			lastSignal = time.Now()
 			n, _ := fwrite.Write(fd.Data)
 			bar.Add(n)
 
 			if time.Since(lastSignal).Seconds() > 1 {
 				sendData([]byte{2, 3, 4})
-				lastSignal = time.Now()
+				time.Sleep(1 * time.Second)
+				sendData([]byte{2, 3, 4})
+				time.Sleep(1 * time.Second)
+				sendData([]byte{2, 3, 4})
+				time.Sleep(1 * time.Second)
 			}
 		} else {
 			log.Error(err)