diff --git a/data/Dockerfiles/sogo/navMailcowBtns.diff b/data/Dockerfiles/sogo/navMailcowBtns.diff
index 1b469aa60..2107b5b1f 100644
--- a/data/Dockerfiles/sogo/navMailcowBtns.diff
+++ b/data/Dockerfiles/sogo/navMailcowBtns.diff
@@ -1,20 +1,15 @@
-59,65d58
-<                ng-show="::!activeUser.isSuperUser"
+60,65d58
 <                var:ng-click="navButtonClick"
 <                ng-href="/user">
 <       <md-icon>build</md-icon>
-<       <md-tooltip><var:string label:value="mailcow"/></md-tooltip>
+<       <md-tooltip>mailcow <var:string label:value="Preferences"/></md-tooltip>
 <     </md-button>
 <     <md-button class="md-icon-button"
 83c76
-<                onclick="document.getElementById('mc_logout').setAttribute('action', '/'); document.getElementById('mc_logout').submit();"
+<                onclick="mc_logout();"
 ---
 >                ng-show="::activeUser.path.logoff.length"
 85c78
 <                ng-href="#">
 ---
 >                ng-href="{{::activeUser.path.logoff}}">
-89,91d81
-<     <form method="POST" id="mc_logout" action="user">
-<       <input type="hidden" name="logout" value="1">
-<     </form>
diff --git a/data/conf/sogo/custom-sogo.js b/data/conf/sogo/custom-sogo.js
index e1f27e8ff..d3b90b085 100644
--- a/data/conf/sogo/custom-sogo.js
+++ b/data/conf/sogo/custom-sogo.js
@@ -5,6 +5,16 @@ document.addEventListener('DOMContentLoaded', function () {
         window.location.href = '/user';
     }
 });
+// logout function
+function mc_logout() {
+    fetch("/", {
+        method: "POST",
+        headers: {
+          "Content-Type": "application/x-www-form-urlencoded"
+        },
+        body: "logout=1"
+    }).then(() => window.location.href = '/');
+}
 
 // Custom SOGo JS
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 4907b592d..0cd4491d7 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -199,7 +199,7 @@ services:
             - phpfpm
 
     sogo-mailcow:
-      image: ghcr.io/mailcow/sogo:1.131
+      image: ghcr.io/mailcow/sogo:1.133
       environment:
         - DBNAME=${DBNAME}
         - DBUSER=${DBUSER}