diff --git a/modules/scadenzario/actions.php b/modules/scadenzario/actions.php
index 51af767aa..159c82984 100755
--- a/modules/scadenzario/actions.php
+++ b/modules/scadenzario/actions.php
@@ -119,4 +119,22 @@ switch (post('op')) {
         $dbo->query("DELETE FROM co_scadenziario WHERE id='".$id_record."'");
         flash()->info(tr('Scadenza eliminata!'));
         break;
+
+    case 'allega_fattura':
+        $id_documento = post('iddocumento');
+        $print_predefined = $dbo->selectOne('zz_prints', '*', ['predefined' => 1, 'id_module' => Modules::get('Fatture di vendita')['id']]);
+
+        $print = Prints::render($print_predefined['id'], $id_documento, null, true);
+        $name = 'Fattura di vendita';
+        $upload = Uploads::upload($print['pdf'], [
+            'name' => $name,
+            'original_name' => $name.'.pdf',
+            'category' => 'Generale',
+            'id_module' => $id_module,
+            'id_record' => $id_record,
+        ]);
+
+        flash()->info(tr('Stampa allegata correttamente!'));
+
+        break;
 }
diff --git a/modules/scadenzario/buttons.php b/modules/scadenzario/buttons.php
new file mode 100644
index 000000000..ac14fdb0a
--- /dev/null
+++ b/modules/scadenzario/buttons.php
@@ -0,0 +1,29 @@
+<?php
+/*
+ * OpenSTAManager: il software gestionale open source per l'assistenza tecnica e la fatturazione
+ * Copyright (C) DevCode s.r.l.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+include_once __DIR__.'/../../core.php';
+
+if (!empty($record['iddocumento'])) {
+    $fattura_allegata = $dbo->selectOne('zz_files', 'id', ['id_module' => $id_module, 'id_record' => $id_record, 'original' => 'Fattura di vendita.pdf'])['id'];
+    echo '
+    <button type="button" class="btn btn-warning ask btn-warning '.(empty($fattura_allegata
+    ) ? '' : 'disabled').'" id="allega-fattura" data-msg="'.tr('Allegare la stampa della fattura?').'"  data-op="allega_fattura" data-iddocumento="'.$record['iddocumento'].'" data-button="'.tr('Allega').'" data-class="btn btn-lg btn-warning" data-backto="record-edit" >
+        <i class="fa fa-paperclip"></i> '.tr('Allega fattura').'
+    </button>';
+}
diff --git a/modules/scadenzario/edit.php b/modules/scadenzario/edit.php
index 9afa45e16..c1f0bda90 100755
--- a/modules/scadenzario/edit.php
+++ b/modules/scadenzario/edit.php
@@ -214,16 +214,7 @@ if ($totale_da_pagare != 0) {
 	</div>
 </form>
 
-<?php
-$id_scadenza = $id_record;
-
-// Forzatura per allegare file sempre al primo record
-if (!empty($documento)) {
-    $id_scadenza = $dbo->fetchOne('SELECT id FROM co_scadenziario WHERE iddocumento='.prepare($documento->id).' ORDER BY id')['id'];
-}
-?>
-
-{( "name": "filelist_and_upload", "id_module": "$id_module$", "id_record": "<?php echo $id_scadenza; ?>" )}
+{( "name": "filelist_and_upload", "id_module": "$id_module$", "id_record": "<?php echo $id_record; ?>" )}
 
 {( "name": "log_email", "id_module": "$id_module$", "id_record": "$id_record$" )}
 
@@ -284,7 +275,8 @@ if (!empty($documento)) {
 
     if ($dir == 'uscita') {
         echo '
-        $("#email-button").remove();';
+        $("#email-button").remove();
+        $("#allega-fattura").remove();';
     }
     echo '
 	});
diff --git a/modules/scadenzario/init.php b/modules/scadenzario/init.php
index 304d429de..9b7d6ad1c 100755
--- a/modules/scadenzario/init.php
+++ b/modules/scadenzario/init.php
@@ -27,6 +27,7 @@ if (isset($id_record)) {
 
     // Scelgo la query in base alla scadenza
     if (!empty($documento)) {
+        $id_record = $dbo->fetchOne('SELECT id FROM co_scadenziario WHERE iddocumento='.prepare($documento->id).' ORDER BY id')['id'];
         $scadenze = $dbo->fetchArray('SELECT * FROM co_scadenziario WHERE iddocumento = '.prepare($documento->id).' ORDER BY scadenza ASC');
         $totale_da_pagare = $documento->netto;
     } else {