diff --git a/plugins/importFE/src/FatturaElettronica.php b/plugins/importFE/src/FatturaElettronica.php
index 92ee22ead..1ca310368 100755
--- a/plugins/importFE/src/FatturaElettronica.php
+++ b/plugins/importFE/src/FatturaElettronica.php
@@ -179,7 +179,7 @@ class FatturaElettronica
         foreach ($allegati as $allegato) {
             $content = base64_decode($allegato['Attachment']);
 
-            $extension = '';
+            $extension = '.pdf';
             if (!empty($allegato['FormatoAttachment'])) {
                 $extension = '.'.strtolower($allegato['FormatoAttachment']);
             }
diff --git a/src/Models/Upload.php b/src/Models/Upload.php
index 4c1214e2d..e5dd849a1 100755
--- a/src/Models/Upload.php
+++ b/src/Models/Upload.php
@@ -104,16 +104,17 @@ class Upload extends Model
 
         // Creazione del file fisico
         directory($directory);
+        $file = slashes($directory.DIRECTORY_SEPARATOR.$filename);
         if (
-            (is_array($source) && is_uploaded_file($source['tmp_name']) && !move_uploaded_file($source['tmp_name'], $directory.'/'.$filename)) ||
-            (is_string($source) && is_file($source) && !copy($source, $directory.'/'.$filename)) ||
-            (is_string($source) && !is_file($source) && file_put_contents($directory.'/'.$filename, $source) === false)
+            (is_array($source) && is_uploaded_file($source['tmp_name']) && !move_uploaded_file($source['tmp_name'], $file)) ||
+            (is_string($source) && is_file($source) && !copy($source, $file)) ||
+            (is_string($source) && !is_file($source) && file_put_contents($file, $source) === false)
         ) {
             throw new UnexpectedValueException("Errore durante il salvataggio dell'allegato");
         }
 
         // Aggiornamento dimensione fisica e responsabile del caricamento
-        $model->size = FileSystem::fileSize($directory.'/'.$filename);
+        $model->size = FileSystem::fileSize($file);
         $model->user()->associate(auth()->getUser());
 
         // Rimozione estensione dal nome visibile