diff --git a/bin/monitor.js b/bin/monitor.js
index 609095b56d4b88a43be754adc3cdc745e5112eb9..133727b2e4b5d7e084b42463397aee80f05db7d1 100755
--- a/bin/monitor.js
+++ b/bin/monitor.js
@@ -90,7 +90,7 @@ function    peerlist()
             }
             // write network/peers.cache
             // peers.cache is a list of peers we have connected out to in the past.
-            peers.concat( newpeers );
+            peers               =   peers.concat( newpeers );
             if (peers.length > 100)
                 peers.splice( 0, peers.length - 100 );
             bfa.fs.writeFileSync(