diff --git a/agents/modules_meshcmd/amt-ider.js b/agents/modules_meshcmd/amt-ider.js
index 072fa963..98fdb12b 100644
--- a/agents/modules_meshcmd/amt-ider.js
+++ b/agents/modules_meshcmd/amt-ider.js
@@ -98,7 +98,7 @@ module.exports = function CreateAmtRemoteIder() {
     // Private method
     obj.ProcessData = function (data) {
         obj.bytesFromAmt += data.length;
-        if (obj.acc == null) { obj.acc = data; } else { obj.acc = Buffer.concat(obj.acc, data); }
+        if (obj.acc == null) { obj.acc = data; } else { obj.acc = Buffer.concat([obj.acc, data]); }
         if (obj.debug) console.log('IDER-ProcessData', obj.acc.length, obj.acc.toString('hex'));
 
         // Process as many commands as possible
diff --git a/amt/amt-ider-module.js b/amt/amt-ider-module.js
index 78be7d36..4808482e 100644
--- a/amt/amt-ider-module.js
+++ b/amt/amt-ider-module.js
@@ -152,7 +152,7 @@ module.exports.CreateAmtRemoteIder = function (webserver, meshcentral) {
     obj.ProcessData = function (data) {
         data = Buffer.from(data, 'binary');
         obj.bytesFromAmt += data.length;
-        if (obj.acc == null) { obj.acc = data; } else { obj.acc = Buffer.concat(obj.acc, data); }
+        if (obj.acc == null) { obj.acc = data; } else { obj.acc = Buffer.concat([obj.acc, data]); }
         if (obj.debug) console.log('IDER-ProcessData', obj.acc.length, obj.acc.toString('hex'));
 
         // Process as many commands as possible