diff --git a/src/index.js b/src/index.js
index b4c2160..b183692 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1265,6 +1265,8 @@ function msgListener(message) {
   }
   if (message == "\x12END") {
     // Do nothing
+  } else if (msg == "\x12CLOSE") {
+    closedMaster = true;
   } else if (message[0] == "\x12") {
     console.log("RECEIVED CONTROL MESSAGE: " + message.substr(1));
   } else {