diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2569ac8..d45f543 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  |
 | -------------- | -------------- | -------- |
+| 5.6.9          | 2021-03-28     | `graphics()` fixed nvidia-smi compare bug |
 | 5.6.8          | 2021-03-22     | typescript definitions fix `wifiInterfces()`, `wifiConnections()` |
 | 5.6.7          | 2021-03-16     | `inetLatency()` `ineChecksite()` schema validation |
 | 5.6.6          | 2021-03-16     | code refactoring |
diff --git a/docs/history.html b/docs/history.html
index 626b88c..adcd554 100644
--- a/docs/history.html
+++ b/docs/history.html
@@ -56,6 +56,11 @@
                   </tr>
                 </thead>
                 <tbody>
+                  <tr>
+                    <th scope="row">5.6.9</th>
+                    <td>2021-03-28</td>
+                    <td><span class="code">graphics()</span> fixed nvidia-smi compare bug</td>
+                  </tr>
                   <tr>
                     <th scope="row">5.6.8</th>
                     <td>2021-03-23</td>
diff --git a/docs/index.html b/docs/index.html
index d35e503..387d4ec 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">5.6.8</span></div>
+      <div class="version">New Version: <span id="version">5.6.9</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 06c3b80..42e06e2 100644
--- a/lib/graphics.js
+++ b/lib/graphics.js
@@ -728,7 +728,7 @@ function graphics(callback) {
               const nvidiaData = nvidiaDevices();
               // needs to be rewritten ... using no spread operators
               result.controllers = result.controllers.map((controller) => { // match by busAddress
-                return mergeControllerNvidia(controller, nvidiaData.find(({ pciBus }) => pciBus.endsWith(controller.busAddress)) || {});
+                return mergeControllerNvidia(controller, nvidiaData.find(({ pciBus }) => pciBus.toLowerCase().endsWith(controller.busAddress.toLowerCase())) || {});
               });
             }
             let cmd = 'clinfo --raw';