diff --git a/modules/porti/actions.php b/modules/porti/actions.php
index c59fb3185..9f80727d3 100644
--- a/modules/porti/actions.php
+++ b/modules/porti/actions.php
@@ -44,17 +44,20 @@ switch (filter('op')) {
         break;
 
     case 'delete':
-        $documenti = $dbo->fetchArray('SELECT id FROM dt_ddt WHERE idporto='.prepare($id_record).'
-UNION SELECT id FROM co_documenti WHERE idporto='.prepare($id_record).'
-UNION SELECT id FROM co_preventivi WHERE idporto='.prepare($id_record));
+        
+        $documenti = $dbo->fetchNum('SELECT id FROM dt_ddt WHERE idporto='.prepare($id_record).'
+                     UNION SELECT id FROM co_documenti WHERE idporto='.prepare($id_record).'
+                     UNION SELECT id FROM co_preventivi WHERE idporto='.prepare($id_record));
 
-        if (isset($id_record) && !empty($documenti)) {
+        if (isset($id_record) && empty($documenti)) {
             $dbo->query('DELETE FROM `dt_porto` WHERE `id`='.prepare($id_record));
             $_SESSION['infos'][] = tr('Tipologia di _TYPE_ eliminata con successo!', [
                 '_TYPE_' => 'porto',
             ]);
         } else {
+
             $_SESSION['errors'][] = tr('Sono presenti dei documenti collegati a questo porto!');
+        
         }
 
         break;
diff --git a/modules/porti/edit.php b/modules/porti/edit.php
index 4faf91daf..d14d17a21 100644
--- a/modules/porti/edit.php
+++ b/modules/porti/edit.php
@@ -23,17 +23,18 @@ include_once __DIR__.'/../../core.php';
 </form>
 
 <?php
-$documenti = $dbo->fetchArray('SELECT id FROM dt_ddt WHERE idporto='.prepare($id_record).'
-UNION SELECT id FROM co_documenti WHERE idporto='.prepare($id_record).'
-UNION SELECT id FROM co_preventivi WHERE idporto='.prepare($id_record));
+$documenti = $dbo->fetchNum('SELECT id FROM dt_ddt WHERE idporto='.prepare($id_record).'
+			 UNION SELECT id FROM co_documenti WHERE idporto='.prepare($id_record).'
+			 UNION SELECT id FROM co_preventivi WHERE idporto='.prepare($id_record));
 
+if (!empty($documenti)){
 echo '
 <div class="alert alert-danger">
     '.tr('Ci sono _NUM_ documenti collegati', [
         '_NUM_' => count($documenti),
     ]).'.
 </div>';
-
+}
 ?>
 
 <a class="btn btn-danger ask" data-backto="record-list">