diff --git a/io/transmitPhasestream.go b/io/transmitPhasestream.go
index 1d20657cae161db67746102db7359bbb22495f51..8c5210124f0be63ecc52b35e86c02fd05a884431 100644
--- a/io/transmitPhasestream.go
+++ b/io/transmitPhasestream.go
@@ -29,7 +29,7 @@ import (
 )
 
 const blockSize = 4
-const numStreams = 75
+const numStreams = 5
 
 type streamClient struct {
 	client mixmessages.Node_StreamPostPhaseClient