diff --git a/includes/core/class-uploader.php b/includes/core/class-uploader.php
index ee8ffad2..8bd609df 100644
--- a/includes/core/class-uploader.php
+++ b/includes/core/class-uploader.php
@@ -1352,8 +1352,11 @@ if ( ! class_exists( 'um\core\Uploader' ) ) {
 			$_array = $new_files;
 			if ( ! empty( UM()->builtin()->custom_fields ) ) {
 				foreach ( UM()->builtin()->custom_fields as $_field ) {
-					if ( in_array( $_field['type'], array( 'file', 'image' ) ) && isset( $user_meta_keys[$_field['metakey']] ) && empty( $_array[$_field['metakey']] ) ) {
-						$_array[$_field['metakey']] = $user_meta_keys[$_field['metakey']];
+					if ( ! array_key_exists( 'type', $_field ) ) {
+						continue;
+					}
+					if ( in_array( $_field['type'], array( 'file', 'image' ), true ) && isset( $user_meta_keys[ $_field['metakey'] ] ) && empty( $_array[ $_field['metakey'] ] ) ) {
+						$_array[ $_field['metakey'] ] = $user_meta_keys[ $_field['metakey'] ];
 					}
 				}
 			}