diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2f39306..74ff201 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -90,6 +90,7 @@ For major (breaking) changes - **version 4, 3 and 2** - see end of page.
 
 | Version | Date       | Comment                                                                                             |
 | ------- | ---------- | --------------------------------------------------------------------------------------------------- |
+| 5.28.4  | 2025-12-29 | `powerShwll()` Windows 7 fix compatibility issues (windows)                                         |
 | 5.28.3  | 2025-12-28 | `processes()`, `processLoad()` fix command line parsing (windows)                                   |
 | 5.28.2  | 2025-12-27 | `networkConnections()` fix missing PIDs ss command (linux)                                          |
 | 5.28.1  | 2025-12-26 | `networkInterface()` fix secondary and link-local ip (linux, macOS)                                 |
diff --git a/docs/history.html b/docs/history.html
index 574a911..f13be69 100644
--- a/docs/history.html
+++ b/docs/history.html
@@ -57,6 +57,11 @@
                     </tr>
                   </thead>
                   <tbody>
+                    <tr>
+                      <th scope="row">5.28.4</th>
+                      <td>2025-12-28</td>
+                      <td><span class="code">powerShell()</span> Windows 7 fix compatibility issues (windows)</td>
+                    </tr>
                     <tr>
                       <th scope="row">5.28.3</th>
                       <td>2025-12-28</td>
diff --git a/docs/index.html b/docs/index.html
index b9cce41..3c87d94 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">5.28.3</span></div>
+      <div class="version">New Version: <span id="version">5.28.4</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/filesystem.js b/lib/filesystem.js
index 67e8ece..9f6e673 100644
--- a/lib/filesystem.js
+++ b/lib/filesystem.js
@@ -194,11 +194,9 @@ function fsSize(drive, callback) {
             }
             resolve(data);
           } else {
-            exec('df -kPT', { maxBuffer: 1024 * 1024 }, (error, stdout) => {
-              if (!error) {
-                const lines = filterLines(stdout);
-                data = parseDf(lines);
-              }
+            exec('df -kPT 2>/dev/null', { maxBuffer: 1024 * 1024 }, (error, stdout) => {
+              const lines = filterLines(stdout);
+              data = parseDf(lines);
               if (callback) {
                 callback(data);
               }