diff --git a/app/Models/License.php b/app/Models/License.php
index 91a150198d..7258dae6df 100755
--- a/app/Models/License.php
+++ b/app/Models/License.php
@@ -31,10 +31,10 @@ class License extends Depreciable
     protected $rules = array(
         'name'   => 'required|string|min:3|max:255',
         'seats'   => 'required|min:1|max:1000000|integer',
-        'license_email'   => 'email|min:0|max:120',
-        'license_name'   => 'string|min:0|max:100',
-        'note'   => 'string',
-        'notes'   => 'string|min:0',
+        'license_email'   => 'email|nullable|max:120',
+        'license_name'   => 'string|nullable|max:100',
+        'note'   => 'string|nullable',
+        'notes'   => 'string|nullable',
         'company_id' => 'integer|nullable',
     );