diff --git a/packages/node_modules/@node-red/nodes/core/network/10-mqtt.js b/packages/node_modules/@node-red/nodes/core/network/10-mqtt.js
index 3e789be7f..0a7ed6dfa 100644
--- a/packages/node_modules/@node-red/nodes/core/network/10-mqtt.js
+++ b/packages/node_modules/@node-red/nodes/core/network/10-mqtt.js
@@ -295,7 +295,7 @@ module.exports = function(RED) {
                         /* mute error - it simply isnt JSON, just leave payload as a string */
                     }
                 }
-            } //else { 
+            } //else {
                 //leave as buffer
             //}
         }
@@ -357,7 +357,7 @@ module.exports = function(RED) {
                         return;
                     }
                     done(err);
-                }); 
+                });
             } else {
                 done();
             }
@@ -718,9 +718,10 @@ module.exports = function(RED) {
         node.deregister = function(mqttNode, done, autoDisconnect) {
             delete node.users[mqttNode.id];
             if (autoDisconnect && !node.closing && node.connected && Object.keys(node.users).length === 0) {
-                node.disconnect();
+                node.disconnect(done);
+            } else {
+                done();
             }
-            done();
         };
         node.canConnect = function() {
             return !node.connected && !node.connecting;
@@ -854,7 +855,7 @@ module.exports = function(RED) {
             let waitEnd = (client, ms) => {
                 return new Promise( (resolve, reject) => {
                     node.closing = true;
-                    if(!client) { 
+                    if(!client) {
                         resolve();
                      } else {
                         const t = setTimeout(() => {
@@ -1033,7 +1034,7 @@ module.exports = function(RED) {
 
         /**
          * Add event handlers to the MQTT.js client and track them so that
-         * we do not remove any handlers that the MQTT client uses internally.  
+         * we do not remove any handlers that the MQTT client uses internally.
          * Use {@link node._clientRemoveListeners `node._clientRemoveListeners`} to remove handlers
          * @param {string} event The name of the event
          * @param {function} handler The handler for this event
@@ -1041,11 +1042,11 @@ module.exports = function(RED) {
          node._clientOn = function(event, handler) {
             node.clientListeners.push({event, handler})
             node.client.on(event, handler)
-        } 
+        }
 
         /**
-         * Remove event handlers from the MQTT.js client & only the events 
-         * that we attached in {@link node._clientOn `node._clientOn`}.  
+         * Remove event handlers from the MQTT.js client & only the events
+         * that we attached in {@link node._clientOn `node._clientOn`}.
          * * If `event` is omitted, then all events matching `handler` are removed
          * * If `handler` is omitted, then all events named `event` are removed
          * * If both parameters are omitted, then all events are removed