diff --git a/modules/impianti/add.php b/modules/impianti/add.php
index 60a5a553d..81c99cd78 100644
--- a/modules/impianti/add.php
+++ b/modules/impianti/add.php
@@ -27,7 +27,7 @@ $id_anagrafica = filter('id_anagrafica');
 
 	<div class="row">
 		<div class="col-md-4">
-			{[ "type": "text", "label": "<?php echo tr('Matricola'); ?>", "name": "matricola", "required": 1, "class": "text-center alphanumeric-mask", "maxlength": 25 ]}
+			{[ "type": "text", "label": "<?php echo tr('Matricola'); ?>", "name": "matricola", "required": 1, "class": "text-center alphanumeric-mask", "maxlength": 25, "validation": "matricola" ]}
 		</div>
 
 		<div class="col-md-8">
diff --git a/modules/impianti/edit.php b/modules/impianti/edit.php
index 317746664..90448cc02 100644
--- a/modules/impianti/edit.php
+++ b/modules/impianti/edit.php
@@ -48,7 +48,7 @@ if (!empty($record['immagine'])) {
 				<div class="col-md-9">
 					<div class="row">
 						<div class="col-md-6">
-							{[ "type": "text", "label": "<?php echo tr('Matricola'); ?>", "name": "matricola", "required": 1, "class": "text-center", "maxlength": 25, "value": "$matricola$" ]}
+							{[ "type": "text", "label": "<?php echo tr('Matricola'); ?>", "name": "matricola", "required": 1, "class": "text-center", "maxlength": 25, "value": "$matricola$", "validation": "matricola" ]}
 						</div>
 
 						<div class="col-md-6">
diff --git a/modules/impianti/validation.php b/modules/impianti/validation.php
new file mode 100644
index 000000000..ea273a962
--- /dev/null
+++ b/modules/impianti/validation.php
@@ -0,0 +1,42 @@
+<?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';
+
+use Modules\Impianti\Impianto;
+
+$name = filter('name');
+$value = filter('value');
+
+switch ($name) {
+    case 'matricola':
+        $disponibile = Impianto::where([
+            ['matricola', $value],
+            ['id', '<>', $id_record],
+        ])->count() == 0;
+
+        $message = $disponibile ? tr('La matricola è disponbile') : tr('La matricola è già utilizzata in un altro impianto');
+
+        $response = [
+            'result' => $disponibile,
+            'message' => $message,
+        ];
+
+        break;
+}