diff --git a/CHANGELOG.md b/CHANGELOG.md
index bf8f487..d911726 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -82,6 +82,7 @@ For major (breaking) changes - **version 4, 3 and 2** - see end of page.
 
 | Version | Date       | Comment                                                                                             |
 | ------- | ---------- | --------------------------------------------------------------------------------------------------- |
+| 5.18.14 | 2023-08-09 | `fsSIze()` fixed syntax error                                                                       |
 | 5.18.13 | 2023-08-08 | `mem()` fixed error handling                                                                        |
 | 5.18.12 | 2023-08-05 | `fsSize()` rw /snap/ issue fixed (linux)                                                            |
 | 5.18.11 | 2023-08-04 | `bluetooth()` improved parsing, macOS Sonoma detection                                              |
diff --git a/docs/history.html b/docs/history.html
index 618f2f5..12fd524 100644
--- a/docs/history.html
+++ b/docs/history.html
@@ -57,6 +57,11 @@
                     </tr>
                   </thead>
                   <tbody>
+                    <tr>
+                      <th scope="row">5.18.14</th>
+                      <td>2023-08-09</td>
+                      <td><span class="code">fsSize()</span> fixed syntax error</td>
+                    </tr>
                     <tr>
                       <th scope="row">5.18.13</th>
                       <td>2023-08-08</td>
diff --git a/docs/index.html b/docs/index.html
index acb4285..a78e255 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">5.18.13</span></div>
+      <div class="version">New Version: <span id="version">5.18.14</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 c7e103d..e00bd68 100644
--- a/lib/filesystem.js
+++ b/lib/filesystem.js
@@ -142,7 +142,7 @@ function fsSize(drive, callback) {
             execSync('cat /proc/mounts 2>/dev/null').toString().split('\n').filter(line => {
               return line.startsWith('/');
             }).forEach((line) => {
-              osMounts[line.split(' ')[0]] = osMounts[line.split(' ')[0]] ?? false;
+              osMounts[line.split(' ')[0]] = osMounts[line.split(' ')[0]] || false;
               if (line.toLowerCase().indexOf('/snap/') === -1) {
                 osMounts[line.split(' ')[0]] = ((line.toLowerCase().indexOf('rw,') >= 0 || line.toLowerCase().indexOf(' rw ') >= 0));
               }