diff --git a/UI/Templates/PreferencesUI/UIxPreferences.wox b/UI/Templates/PreferencesUI/UIxPreferences.wox
index 8dd1b83a8..58f507823 100644
--- a/UI/Templates/PreferencesUI/UIxPreferences.wox
+++ b/UI/Templates/PreferencesUI/UIxPreferences.wox
@@ -23,7 +23,7 @@
     var defaultContactsCategories = <var:string value="defaultContactsCategories" const:escapeHTML="NO"/>;
     var forwardConstraints = <var:string value="forwardConstraints" const:escapeHTML="NO"/>;
     var forwardConstraintsDomains = <var:string value="forwardConstraintsDomains" const:escapeHTML="NO"/>;
-    var sieveCapabilities = <var:string value="sieveCapabilities" const:escapeHTML="NO"/>;
+    <var:if condition="userHasMailAccess"> var sieveCapabilities = <var:string value="sieveCapabilities" const:escapeHTML="NO"/>;</var:if>
   </script>
 
   <script type="text/ng-template" id="preferences.html">
diff --git a/UI/WebServerResources/js/Preferences/PreferencesController.js b/UI/WebServerResources/js/Preferences/PreferencesController.js
index 343764f54..a3014702e 100644
--- a/UI/WebServerResources/js/Preferences/PreferencesController.js
+++ b/UI/WebServerResources/js/Preferences/PreferencesController.js
@@ -16,7 +16,6 @@
       this.passwords = { newPassword: null, newPasswordConfirmation: null, oldPassword: null };
       this.timeZonesList = $window.timeZonesList;
       this.timeZonesSearchText = '';
-      this.sieveVariablesCapability = ($window.sieveCapabilities.indexOf('variables') >= 0);
       this.addressesSearchText = '';
       this.mailLabelKeyRE = new RegExp(/^(?!^_\$)[^(){} %*\"\\\\]*?$/);
       this.emailSeparatorKeys = [
@@ -34,8 +33,10 @@
       if (Preferences.defaults.SOGoAlternateAvatar)
         User.$alternateAvatar = Preferences.defaults.SOGoAlternateAvatar;
 
-      if (sgSettings.activeUser('path').mail)
+      if (sgSettings.activeUser('path').mail) {
+        this.sieveVariablesCapability = ($window.sieveCapabilities.indexOf('variables') >= 0);
         this.preferences.hasActiveExternalSieveScripts();
+      }
       this.updateVacationDates();
     };