diff --git a/core/um-form.php b/core/um-form.php
index da1ffbd0..51227634 100644
--- a/core/um-form.php
+++ b/core/um-form.php
@@ -121,7 +121,7 @@ class UM_Form {
 	                    	$role = current( $_POST['role'] );
 	                    }
 
-						if ( isset( $custom_field_roles ) && is_array(  $custom_field_roles ) && ! in_array( $role , $custom_field_roles ) ) {
+						if ( isset( $custom_field_roles ) && is_array(  $custom_field_roles ) && ! empty( $role ) && ! in_array( $role , $custom_field_roles ) ) {
 							wp_die( __( 'This is not possible for security reasons.','ultimatemember') );
 						}