diff --git a/CHANGELOG.md b/CHANGELOG.md
index f590d7e..9675153 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -83,6 +83,7 @@ For major (breaking) changes - **version 4, 3 and 2** - see end of page.
 
 | Version | Date       | Comment                                                                                             |
 | ------- | ---------- | --------------------------------------------------------------------------------------------------- |
+| 5.22.1  | 2024-03-14 | `chassis()` type, assetTag, sku improved parsing (macOS)                                            |
 | 5.22.1  | 2024-03-12 | `wifiConnections()` patch for mac OS Sonome 14.4 (macOS)                                            |
 | 5.22.0  | 2024-02-18 | `wifiConnections()` added signal quality attribute                                                  |
 | 5.21.25 | 2024-02-17 | `wifiConnections()` fixed signal strength (windows)                                                 |
diff --git a/docs/history.html b/docs/history.html
index ef2cf42..7a5f5d9 100644
--- a/docs/history.html
+++ b/docs/history.html
@@ -57,6 +57,11 @@
                     </tr>
                   </thead>
                   <tbody>
+                    <tr>
+                      <th scope="row">5.22.2</th>
+                      <td>2024-03-14</td>
+                      <td><span class="code">chassis()</span> type, assetTag, sku improved parsing (macOS)</td>
+                    </tr>
                     <tr>
                       <th scope="row">5.22.1</th>
                       <td>2024-03-12</td>
diff --git a/docs/index.html b/docs/index.html
index f31743c..35fe5dc 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -170,7 +170,7 @@
       <img class="logo" src="assets/logo.png" alt="logo">
       <div class="title">systeminformation</div>
       <div class="subtitle"><span id="typed"></span>&nbsp;</div>
-      <div class="version">New Version: <span id="version">5.22.1</span></div>
+      <div class="version">New Version: <span id="version">5.22.2</span></div>
       <button class="btn btn-light" onclick="location.href='https://github.com/sebhildebrandt/systeminformation'">View on Github <i class=" fab fa-github"></i></button>
     </div>
     <div class="down">
diff --git a/lib/system.js b/lib/system.js
index 1e90874..5390c0c 100644
--- a/lib/system.js
+++ b/lib/system.js
@@ -215,12 +215,14 @@ function system(callback) {
         exec('ioreg -c IOPlatformExpertDevice -d 2', function (error, stdout) {
           if (!error) {
             let lines = stdout.toString().replace(/[<>"]/g, '').split('\n');
+            const model = splitByNumber(util.getValue(lines, 'model', '=', true));
+            const version = util.getValue(lines, 'version', '=', true);
             result.manufacturer = util.getValue(lines, 'manufacturer', '=', true);
-            result.model = util.getValue(lines, 'model', '=', true, true);
-            result.version = util.getValue(lines, 'version', '=', true);
+            result.model = version ? util.getValue(lines, 'model', '=', true) : model[0];
+            result.version = version || model[1];
             result.serial = util.getValue(lines, 'ioplatformserialnumber', '=', true);
             result.uuid = util.getValue(lines, 'ioplatformuuid', '=', true).toLowerCase();
-            result.sku = util.getValue(lines, 'board-id', '=', true);
+            result.sku = util.getValue(lines, 'board-id', '=', true) || util.getValue(lines, 'target-sub-type', '=', true);
           }
           if (callback) { callback(result); }
           resolve(result);
@@ -602,6 +604,33 @@ function baseboard(callback) {
 
 exports.baseboard = baseboard;
 
+function macOsChassisType(model) {
+  model = model.toLowerCase();
+  if (model.startsWith('macbookair')) { return 'Notebook'; }
+  if (model.startsWith('macbookpro')) { return 'Laptop'; }
+  if (model.startsWith('macbook')) { return 'Notebook'; }
+  if (model.startsWith('macmini')) { return 'Desktop'; }
+  if (model.startsWith('imac')) { return 'Desktop'; }
+  if (model.startsWith('macstudio')) { return 'Desktop'; }
+  if (model.startsWith('macpro')) { return 'Tower'; }
+  return 'Other';
+}
+
+function splitByNumber(str) {
+  let numberStarted = false;
+  let num = '';
+  let cpart = '';
+  for (const c of str) {
+    if ((c >= '0' && c <= '9') || numberStarted) {
+      numberStarted = true;
+      num += c;
+    } else {
+      cpart += c;
+    }
+  }
+  return [cpart, num];
+}
+
 function chassis(callback) {
   const chassisTypes = ['Other',
     'Unknown',
@@ -680,11 +709,16 @@ function chassis(callback) {
         exec('ioreg -c IOPlatformExpertDevice -d 2', function (error, stdout) {
           if (!error) {
             let lines = stdout.toString().replace(/[<>"]/g, '').split('\n');
+            const model = util.getValue(lines, 'model', '=', true);
+            const modelParts = splitByNumber(model);
+            const version = util.getValue(lines, 'version', '=', true);
             result.manufacturer = util.getValue(lines, 'manufacturer', '=', true);
-            result.model = util.getValue(lines, 'model', '=', true);
-            result.version = util.getValue(lines, 'version', '=', true);
+            result.model = version ? util.getValue(lines, 'model', '=', true) : modelParts[0];
+            result.type = macOsChassisType(result.model);
+            result.version = version || model;
             result.serial = util.getValue(lines, 'ioplatformserialnumber', '=', true);
-            result.assetTag = util.getValue(lines, 'board-id', '=', true);
+            result.assetTag = util.getValue(lines, 'board-id', '=', true) || util.getValue(lines, 'target-type', '=', true);
+            result.sku = util.getValue(lines, 'target-sub-type', '=', true);
           }
 
           if (callback) { callback(result); }