diff --git a/tests/phpunit/tests/feed/getWpTitleRss.php b/tests/phpunit/tests/feed/getWpTitleRss.php
new file mode 100644
index 0000000000000..64718840ba4b7
--- /dev/null
+++ b/tests/phpunit/tests/feed/getWpTitleRss.php
@@ -0,0 +1,31 @@
+<?php
+/**
+ * Tests for get_wp_title_rss().
+ *
+ * @group feed
+ *
+ * @covers ::get_wp_title_rss
+ */
+class Tests_Feed_GetWpTitleRss extends WP_UnitTestCase {
+
+	/**
+	 * @ticket 65819
+	 */
+	public function test_filter_can_customize_feed_title() {
+		add_filter(
+			'pre_get_document_title',
+			static function () {
+				return 'Feed Title';
+			}
+		);
+
+		add_filter(
+			'get_wp_title_rss',
+			static function ( $title ) {
+				return $title . ' Custom';
+			}
+		);
+
+		$this->assertSame( 'Feed Title Custom', get_wp_title_rss() );
+	}
+}