diff --git a/includes/managers/class-fs-contact-form-manager.php b/includes/managers/class-fs-contact-form-manager.php
index ce3a6938..9e3167bd 100644
--- a/includes/managers/class-fs-contact-form-manager.php
+++ b/includes/managers/class-fs-contact-form-manager.php
@@ -77,7 +77,7 @@ public function get_standalone_link( Freemius $fs ) {
 			$query_params = $this->get_query_params( $fs );
 
 			$query_params['is_standalone'] = 'true';
-			$query_params['parent_url']    = admin_url( add_query_arg( null, null ) );
+			$query_params['parent_url']    = admin_url( add_query_arg( '', '' ) );
 
 			return WP_FS__ADDRESS . '/contact/?' . http_build_query( $query_params );
 		}
diff --git a/start.php b/start.php
index f1534010..25a76054 100644
--- a/start.php
+++ b/start.php
@@ -15,7 +15,7 @@
 	 *
 	 * @var string
 	 */
-	$this_sdk_version = '2.13.0.1';
+	$this_sdk_version = '2.13.0.2';
 
 	#region SDK Selection Logic --------------------------------------------------------------------