diff --git a/CHANGELOG.md b/CHANGELOG.md
index bd7cac3..facab2d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -77,6 +77,7 @@ For major (breaking) changes - **version 4, 3 and 2** - see end of page.
 
 | Version        | Date           | Comment  |
 | -------------- | -------------- | -------- |
+| 5.6.21         | 2021-05-14     | `graphics()` fixed dual gpu issue (macOS) |
 | 5.6.20         | 2021-05-07     | `system()` fixed vm detection (linux) |
 | 5.6.19         | 2021-05-06     | `services()` modified service listing (linux) |
 | 5.6.18         | 2021-05-06     | `processes()` fixed Windows mem bug (naming conform to all platforms) |
diff --git a/docs/history.html b/docs/history.html
index 7afb22b..e7cec98 100644
--- a/docs/history.html
+++ b/docs/history.html
@@ -56,6 +56,11 @@
                   </tr>
                 </thead>
                 <tbody>
+                  <tr>
+                    <th scope="row">5.6.21</th>
+                    <td>2021-05-14</td>
+                    <td><span class="code">graphics()</span> fixed dual gpu issue (macOS)</td>
+                  </tr>
                   <tr>
                     <th scope="row">5.6.20</th>
                     <td>2021-05-07</td>
diff --git a/docs/index.html b/docs/index.html
index 17ab6ca..c32439d 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -170,7 +170,7 @@
       <img class="logo" src="assets/logo.png">
       <div class="title">systeminformation</div>
       <div class="subtitle"><span id="typed"></span>&nbsp;</div>
-      <div class="version">New Version: <span id="version">5.6.20</span></div>
+      <div class="version">New Version: <span id="version">5.6.21</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/graphics.js b/lib/graphics.js
index cb9e322..460131a 100644
--- a/lib/graphics.js
+++ b/lib/graphics.js
@@ -108,7 +108,7 @@ function graphics(callback) {
             };
           }
           if (Object.keys(currentDisplay).length > 0) {// just changed to Displays
-            displays.push(currentDisplay);
+            if (currentDisplay.resolutionX && currentDisplay.resolutionY) { displays.push(currentDisplay); }
             currentDisplay = {
               vendor: '',
               model: '',
@@ -200,7 +200,7 @@ function graphics(callback) {
       controllers.push(currentController);
     }
     if (Object.keys(currentDisplay).length > 0) {// just changed to Displays
-      displays.push(currentDisplay);
+      if (currentDisplay.resolutionX && currentDisplay.resolutionY) { displays.push(currentDisplay); }
     }
     return ({
       controllers: controllers,