diff --git a/includes/core/class-shortcodes.php b/includes/core/class-shortcodes.php
index 6c3f1432..d65b304e 100644
--- a/includes/core/class-shortcodes.php
+++ b/includes/core/class-shortcodes.php
@@ -603,21 +603,23 @@ if ( ! class_exists( 'um\core\Shortcodes' ) ) {
 		 */
 		public function ultimatemember( $args = array() ) {
 			/**
-			 * Filters variable for disable singleton shortcode loading on the same page.
-			 * Note: Set it to `true` if you need to render the same form twice or more on the same page.
+			 * Filters variable for enable singleton shortcode loading on the same page.
+			 * Note: Set it to `false` if you don't need to render the same form twice or more on the same page.
 			 *
 			 * @since 2.6.8
+			 * @since 2.6.9 $disable argument set to `true` by default
+			 *
 			 * @hook  um_ultimatemember_shortcode_disable_singleton
 			 *
-			 * @param {bool}  $disable Disabled singleton. By default, it's `false`.
+			 * @param {bool}  $disable Disabled singleton. By default, it's `true`.
 			 * @param {array} $args    Shortcode arguments.
 			 *
 			 * @return {bool} Disabled singleton or not.
 			 *
-			 * @example <caption>Turn on ability to use ultimatemember shortcode twice.</caption>
-			 * add_filter( 'um_ultimatemember_shortcode_disable_singleton', '__return_true' );
+			 * @example <caption>Turn off ability to use ultimatemember shortcode twice.</caption>
+			 * add_filter( 'um_ultimatemember_shortcode_disable_singleton', '__return_false' );
 			 */
-			$disable_singleton_shortcode = apply_filters( 'um_ultimatemember_shortcode_disable_singleton', false, $args );
+			$disable_singleton_shortcode = apply_filters( 'um_ultimatemember_shortcode_disable_singleton', true, $args );
 			if ( false === $disable_singleton_shortcode ) {
 				if ( isset( $args['form_id'] ) ) {
 					$id = $args['form_id'];