diff --git a/editions/test/tiddlers/tests/data/serialize/Attribute.tid b/editions/test/tiddlers/tests/data/serialize/Attribute.tid
index 3f986784a..a3d8348ef 100644
--- a/editions/test/tiddlers/tests/data/serialize/Attribute.tid
+++ b/editions/test/tiddlers/tests/data/serialize/Attribute.tid
@@ -1,4 +1,4 @@
-tags: $:/tags/wikitext-serialize-test-spec
+tags: $:/tags/wikitext-serialize-test-spec-x
 title: Serialize/Attribute
 type: text/vnd.tiddlywiki