diff --git a/equipment_manage.php b/equipment_manage.php
index 28b0171..9379e71 100644
--- a/equipment_manage.php
+++ b/equipment_manage.php
@@ -165,7 +165,7 @@ $view .= '<div class="content-block tab-content active">
                 '.$product_option_list.'
                 </select>
                 <label for="serialnumber">'.$equipment_label2.'</label>
-                <input id="name" type="text" name="'.($update_allowed_special==1? 'serialnumber':'').'" placeholder="'.$equipment_label2.'" value="'.$equipment['serialnumber'].'" '.($update_allowed_special==0? 'readonly':'required').'">
+                <input id="name" type="text" name="'.($update_allowed_special==1? 'serialnumber':'').'" placeholder="'.$equipment_label2.'" value="'.$equipment['serialnumber'].'" '.($update_allowed_special==0? 'readonly':'required').'>
                 <label for="hardware">'.$equipment_label5.'</label>
                 <input id="name" type="text" name="hw_version" placeholder="'.$equipment_label5.'" value="'.$equipment['hw_version'].'" '.($update_allowed_special==0? 'readonly':'').'>
                 <label for="hardware">'.$equipment_label6.'</label>