diff --git a/actions.php b/actions.php
index 8a3bcf832..bce553bc1 100644
--- a/actions.php
+++ b/actions.php
@@ -3,7 +3,6 @@
 include_once __DIR__.'/core.php';
 
 use Models\Note;
-use Models\User;
 use Modules\Checklists\Check;
 use Modules\Checklists\Checklist;
 
diff --git a/modules/checklists/modutil.php b/modules/checklists/modutil.php
index 6e369ebff..120a0a5c4 100644
--- a/modules/checklists/modutil.php
+++ b/modules/checklists/modutil.php
@@ -3,7 +3,7 @@
 function renderChecklist($check, $level = 0)
 {
     $user = auth()->getUser();
-    $enabled = $check->assignedUsers->pluck('id')->search($user->id) !== false;
+    $enabled = $check->assignedUsers ? $check->assignedUsers->pluck('id')->search($user->id) !== false : true;
 
     $result = '
 <li id="check_'.$check->id.'" class="check-item'.(!empty($check->checked_at) ? ' done' : '').'" '.(!$enabled ? 'style="opacity: 0.4"' : '').' data-id="'.$check->id.'">    
diff --git a/modules/utenti/components/photo.php b/modules/utenti/components/photo.php
index 2ecfc2c7f..052522951 100644
--- a/modules/utenti/components/photo.php
+++ b/modules/utenti/components/photo.php
@@ -6,7 +6,7 @@ $user_photo = $user->photo;
 if ($user_photo) {
     echo '
         <center><img src="'.$user_photo.'" class="img-responsive" alt="'.$user['username'].'" /></center>';
-} 
+}
 
 echo '
     <div class="row">
diff --git a/modules/utenti/info.php b/modules/utenti/info.php
index 4aebd58e3..e2b66747d 100644
--- a/modules/utenti/info.php
+++ b/modules/utenti/info.php
@@ -25,7 +25,7 @@ $module = Modules::get('Utenti e permessi');
 
 echo '
 <div class="box box-widget widget-user">
-    <div class="widget-user-header bg-'.(($theme!='default') ? $theme : 'primary').'">
+    <div class="widget-user-header bg-'.(($theme != 'default') ? $theme : 'primary').'">
       <h3 class="widget-user-username">'.$user['username'].'</h3>
       <h5 class="widget-user-desc">'.$user['gruppo'].'</h5>
     </div>