diff --git a/CHANGELOG.md b/CHANGELOG.md
index 98c2df6..6c7ffde 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  |
 | -------------- | -------------- | -------- |
+| 5.7.13         | 2021-07-28     | `osInfo()` fix uefi detection (win) |
 | 5.7.12         | 2021-07-27     | `osInfo()` fix uefi detection (win) |
 | 5.7.11         | 2021-07-27     | typescript typings fix `bluetoothDevices()` |
 | 5.7.10         | 2021-07-26     | typescript typings fix `processLoad()` |
diff --git a/docs/history.html b/docs/history.html
index bef06fa..8f5a9b5 100644
--- a/docs/history.html
+++ b/docs/history.html
@@ -56,6 +56,11 @@
                   </tr>
                 </thead>
                 <tbody>
+                  <tr>
+                    <th scope="row">5.7.13</th>
+                    <td>2021-07-28</td>
+                    <td><span class="code">osInfo()</span> fix uefi detection (win)</td>
+                  </tr>
                   <tr>
                     <th scope="row">5.7.12</th>
                     <td>2021-07-27</td>
diff --git a/docs/index.html b/docs/index.html
index a8e7d8d..d251b4f 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">5.7.12</span></div>
+      <div class="version">New Version: <span id="version">5.7.13</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/osinfo.js b/lib/osinfo.js
index 685ef9b..01d7b11 100644
--- a/lib/osinfo.js
+++ b/lib/osinfo.js
@@ -393,11 +393,11 @@ function isUefiWindows() {
               if (!error) {
                 const line = stdout.toString() || '';
                 return resolve(line.toLowerCase().indexOf('efi') >= 0);
+              } else {
+                return resolve(false);
               }
-              return resolve(false);
             });
           }
-          return resolve(false);
         });
       } catch (e) {
         return resolve(false);