diff --git a/upload/custom/panel_templates/Default/store/fields.tpl b/upload/custom/panel_templates/Default/store/fields.tpl
index abe3618..2eb14fe 100644
--- a/upload/custom/panel_templates/Default/store/fields.tpl
+++ b/upload/custom/panel_templates/Default/store/fields.tpl
@@ -71,7 +71,7 @@
                                             <td>
                                                 <div class="float-md-right">
                                                     <a class="btn btn-warning btn-sm" href="{$field.edit_link}"><i class="fas fa-edit fa-fw"></i></a>
-                                                    {if $field.identifier != '{quantity}'}<button class="btn btn-danger btn-sm" type="button" onclick="showDeleteModal('{$field.delete_link}')"><i class="fas fa-trash fa-fw"></i></button>{else}<button class="btn btn-danger btn-sm" type="button"><i class="fa fa-lock fa-fw"></i></button>{/if}
+                                                    {if !$field.reserved}<button class="btn btn-danger btn-sm" type="button" onclick="showDeleteModal('{$field.delete_link}')"><i class="fas fa-trash fa-fw"></i></button>{else}<button class="btn btn-danger btn-sm" type="button"><i class="fa fa-lock fa-fw"></i></button>{/if}
                                                 </div>
                                             </td>
                                         </tr>
diff --git a/upload/custom/panel_templates/Default/store/fields_form.tpl b/upload/custom/panel_templates/Default/store/fields_form.tpl
index 97b8d2c..01ee3d5 100644
--- a/upload/custom/panel_templates/Default/store/fields_form.tpl
+++ b/upload/custom/panel_templates/Default/store/fields_form.tpl
@@ -47,7 +47,7 @@
                         <form role="form" action="" method="post">
                             <div class="form-group">
                                 <label for="InputIdentifier">{$IDENTIFIER}</label>
-                                <input type="text" name="identifier" class="form-control" id="InputIdentifier" placeholder="{$IDENTIFIER}" value="{$IDENTIFIER_VALUE}" {if $IDENTIFIER_VALUE == 'quantity'}disabled{/if}>
+                                <input type="text" name="identifier" class="form-control" id="InputIdentifier" placeholder="{$IDENTIFIER}" value="{$IDENTIFIER_VALUE}" {if $RESERVED_FIELD}disabled{/if}>
                             </div>
                             <div class="form-group">
                                 <label for="InputName">{$DESCRIPTION}</label>
@@ -55,7 +55,7 @@
                             </div>
                             <div class="form-group">
                                 <label for="type">{$TYPE}</label>
-                                <select class="form-control" id="type" name="type" {if $IDENTIFIER_VALUE == 'quantity'}disabled{/if}>
+                                <select class="form-control" id="type" name="type" {if $RESERVED_FIELD}disabled{/if}>
                                   {foreach from=$TYPES item=type}
                                     <option value="{$type.id}"{if $TYPE_VALUE eq {$type.id}} selected{/if}>{$type.name}</option>
                                   {/foreach}
@@ -67,7 +67,7 @@
                             </div>
                             <div class="form-group">
                                 <label for="InputOptions">{$OPTIONS} / {$CHECKBOX} / {$RADIO} - {$OPTIONS_HELP}</label>
-                                <textarea rows="5" class="form-control" name="options" id="options" placeholder="{$OPTIONS} / {$CHECKBOX} / {$RADIO}" {if $IDENTIFIER_VALUE == 'quantity'}disabled{/if}>{$OPTIONS_VALUE}</textarea>
+                                <textarea rows="5" class="form-control" name="options" id="options" placeholder="{$OPTIONS} / {$CHECKBOX} / {$RADIO}" {if $RESERVED_FIELD}disabled{/if}>{$OPTIONS_VALUE}</textarea>
                             </div>
                             <div class="row">
                               <div class="col-md-4">
diff --git a/upload/modules/Store/pages/panel/fields.php b/upload/modules/Store/pages/panel/fields.php
index 6736113..b3a041b 100644
--- a/upload/modules/Store/pages/panel/fields.php
+++ b/upload/modules/Store/pages/panel/fields.php
@@ -43,6 +43,7 @@
                 'description' => Output::getClean($field->description),
                 'type' => $field_types[$field->type]['name'],
                 'required' => Output::getClean($field->required),
+                'reserved' => ($field->identifier == 'quantity' || $field->identifier == 'price'),
                 'edit_link' => URL::build('/panel/store/fields/', 'action=edit&id='.$field->id),
                 'delete_link' => URL::build('/panel/store/fields/', 'action=delete&amp;id=' . $field->id)
             ];
@@ -292,6 +293,7 @@
                 'REGEX_VALUE' => Output::getClean($field->regex ?? ''),
                 'REQUIRED' => $language->get('admin', 'required'),
                 'REQUIRED_VALUE' => $field->required,
+                'RESERVED_FIELD' => ($field->identifier == 'quantity' || $field->identifier == 'price')
             ]);
         
             $template_file = 'store/fields_form.tpl';