diff --git a/lib/helpers.php b/lib/helpers.php
index 520c464e2..401890470 100755
--- a/lib/helpers.php
+++ b/lib/helpers.php
@@ -46,7 +46,8 @@ function database()
  */
 function prepare($parameter)
 {
-    return database()->prepare($parameter);
+    if (!empty($parameter))
+        return database()->prepare($parameter);
 }
 
 /**
diff --git a/modules/aggiornamenti/database.php b/modules/aggiornamenti/database.php
index b4e4ac1f6..be070eb15 100644
--- a/modules/aggiornamenti/database.php
+++ b/modules/aggiornamenti/database.php
@@ -107,7 +107,7 @@ if (!empty($results)) {
 
         if (array_key_exists('current', $errors) && $errors['current'] == null) {
             echo '
-<p>'.tr('Tabella assente').'</p>';
+<div class="alert alert-danger" ><i class="fa fa-times"></i> '.tr('Tabella assente').'</div>';
             continue;
         }
 
@@ -127,7 +127,7 @@ if (!empty($results)) {
     <tbody>';
 
             foreach ($errors as $name => $diff) {
-                if (count($diff) == 1 && array_key_exists('type', $diff) && str_contains($diff['type']['expected'], $diff['type']['current'])) {
+                if (count($diff) == 1 && array_key_exists('type', $diff) && Str::contains($diff['type']['expected'], $diff['type']['current'])) {
                     $class = 'info';
                 } else {
                     $class = 'warning';