diff --git a/src/DhcpBundle/Controller/DhcpController.php b/src/DhcpBundle/Controller/DhcpController.php
index 97174c6..2495450 100644
--- a/src/DhcpBundle/Controller/DhcpController.php
+++ b/src/DhcpBundle/Controller/DhcpController.php
@@ -286,6 +286,10 @@ class DhcpController
                 return new JsonResponse(['error' => $responseError], 400);
 	    } else {
 		$response[0]['arguments']['Dhcp4']['subnet4'][] = $newSubnet;
+        // Eliminar el campo 'hash' si existe
+        if (isset($response[0]['arguments']['hash'])) {
+            unset($response[0]['arguments']['hash']);
+        }
 		$array_encoded = json_encode($response[0]['arguments']);
                 $configurationParsed = str_replace('\\', '', $array_encoded);
 		$configuration = json_decode($configurationParsed);