diff --git a/modules/worker/front/log/index.html b/modules/worker/front/log/index.html
index 8ba6b285b..1a4ac0a5f 100644
--- a/modules/worker/front/log/index.html
+++ b/modules/worker/front/log/index.html
@@ -31,10 +31,9 @@
                                 <div>
                                     <span translate class="label">Changed by</span><span class="label">: </span>
                                     <span
-                                        class="link" 
+                                        ng-class="{'link': log.user.worker.id, 'value': !log.user.worker.id}"
                                         ng-click="$ctrl.showWorkerDescriptor($event, log.user.worker.id)"
-                                        translate
-                                        class="value">{{::log.user.name | dashIfEmpty}}
+                                        translate>{{::log.user.name | dashIfEmpty}}
                                     </span>
                                 </div>
                                 <div>
@@ -53,10 +52,9 @@
                         </vn-td>
                         <vn-td class="expendable">
                             <span
-                                class="link" 
+                                ng-class="{'link': log.user.worker.id, 'value': !log.user.worker.id}"
                                 ng-click="$ctrl.showWorkerDescriptor($event, log.user.worker.id)"
-                                translate
-                                class="value">{{::log.user.name | dashIfEmpty}}
+                                translate>{{::log.user.name | dashIfEmpty}}
                             </span>
                         </vn-td>
                         <vn-td class="expendable">
diff --git a/modules/worker/front/log/index.js b/modules/worker/front/log/index.js
index cd85833ab..4a577658b 100644
--- a/modules/worker/front/log/index.js
+++ b/modules/worker/front/log/index.js
@@ -43,6 +43,7 @@ export default class Controller {
 
     showWorkerDescriptor(event, workerFk) {
         if (event.defaultPrevented) return;
+        if (!workerFk) return;
 
         event.preventDefault();
         event.stopPropagation();