diff --git a/lib/net/peer.js b/lib/net/peer.js
index ec5da013..ac18d181 100644
--- a/lib/net/peer.js
+++ b/lib/net/peer.js
@@ -2378,8 +2378,9 @@ Peer.prototype.sendReject = function sendReject(code, reason, obj) {
  */
 
 Peer.prototype.sendCompact = function sendCompact() {
+  var version = this.options.witness ? 2 : 1;
   this.logger.info('Initializing compact blocks (%s).', this.hostname);
-  return this.send(new packets.SendCmpctPacket(0, 1));
+  return this.send(new packets.SendCmpctPacket(0, version));
 };
 
 /**