diff --git a/administrator/components/com_fields/libraries/fieldsplugin.php b/administrator/components/com_fields/libraries/fieldsplugin.php
index f053835bfc24b..4c9255e589a4d 100644
--- a/administrator/components/com_fields/libraries/fieldsplugin.php
+++ b/administrator/components/com_fields/libraries/fieldsplugin.php
@@ -201,7 +201,7 @@ public function onCustomFieldsPrepareDom($field, DOMElement $parent, JForm $form
 		// Check if it is allowed to edit the field
 		if (!FieldsHelper::canEditFieldValue($field))
 		{
-			$node->setAttribute('disabled', 'true');
+			$node->setAttribute('readonly', 'true');
 		}
 
 		// Return the node