diff --git a/tests/src/Content/Text/BBCodeTest.php b/tests/src/Content/Text/BBCodeTest.php
index 2f9a244ccc..7fd39927fc 100644
--- a/tests/src/Content/Text/BBCodeTest.php
+++ b/tests/src/Content/Text/BBCodeTest.php
@@ -102,6 +102,10 @@ class BBCodeTest extends MockedTest
 				'data' => "http://example.com\ntest",
 				'assertHTML' => false
 			],
+			'bug-6901' => [
+				'data' => "http://example.com<ul>",
+				'assertHTML' => false
+			],
 		];
 	}