diff --git a/views/bootstrap/class.Bootstrap.php b/views/bootstrap/class.Bootstrap.php
index 8ba4241c6..d54ee4d7a 100644
--- a/views/bootstrap/class.Bootstrap.php
+++ b/views/bootstrap/class.Bootstrap.php
@@ -50,6 +50,7 @@ class SeedDMS_Bootstrap_Style extends SeedDMS_View_Common {
 			/* We still need unsafe-eval, because printDocumentChooserHtml and
 			 * printFolderChooserHtml will include a javascript file with ajax
 			 * which is evaluated by jquery
+			 * worker-src blob: is needed for cytoscape
 			 * X-WebKit-CSP is deprecated, Chrome understands Content-Security-Policy
 			 * since version 25+
 			 * X-Content-Security-Policy is deprecated, Firefox understands
@@ -595,7 +596,7 @@ background-image: linear-gradient(to bottom, #882222, #111111);;
 
 		if ($this->params['enableusersview']){
 			$menuitems['users'] = array('link'=>"../out/out.UsrView.php", 'label'=>'users');
-			$menuitems['users'] = array('link'=>"../out/out.GroupView.php", 'label'=>'groups');
+			$menuitems['groups'] = array('link'=>"../out/out.GroupView.php", 'label'=>'groups');
 		}		
 
 		/* Check if hook exists because otherwise callHook() will override $menuitems */
@@ -2597,7 +2598,7 @@ $(document).ready(function() {
 			echo "<td>";
 			echo "<i style=\"font-size: 80%;\">".$rec['date']." - ";
 			$updateuser = $dms->getUser($rec["userID"]);
-			if(!is_object($required))
+			if(!is_object($updateuser))
 				echo getMLText("unknown_user");
 			else
 				echo htmlspecialchars($updateuser->getFullName()." (".$updateuser->getLogin().")");