diff --git a/tests/vectors/document-variants-c0/current-catalog-bad-canonical.msgpack b/tests/vectors/document-variants-c0/current-catalog-bad-canonical.msgpack
index 69d3d9df..cd6bd37f 100644
Binary files a/tests/vectors/document-variants-c0/current-catalog-bad-canonical.msgpack and b/tests/vectors/document-variants-c0/current-catalog-bad-canonical.msgpack differ
diff --git a/tests/vectors/document-variants-c0/current-catalog-bad-compat.msgpack b/tests/vectors/document-variants-c0/current-catalog-bad-compat.msgpack
index 4270b6b5..e00f8bf4 100644
Binary files a/tests/vectors/document-variants-c0/current-catalog-bad-compat.msgpack and b/tests/vectors/document-variants-c0/current-catalog-bad-compat.msgpack differ
diff --git a/tests/vectors/document-variants-c0/current-catalog-bad-members.msgpack b/tests/vectors/document-variants-c0/current-catalog-bad-members.msgpack
index 77a04b30..4a900c8e 100644
Binary files a/tests/vectors/document-variants-c0/current-catalog-bad-members.msgpack and b/tests/vectors/document-variants-c0/current-catalog-bad-members.msgpack differ
diff --git a/tests/vectors/document-variants-c0/generate.py b/tests/vectors/document-variants-c0/generate.py
index 4e332f16..1ff1ebae 100644
--- a/tests/vectors/document-variants-c0/generate.py
+++ b/tests/vectors/document-variants-c0/generate.py
@@ -61,4 +61,6 @@ for name, entry in (
     ("current-catalog-bad-members", current[:6] + [5]),
     ("current-catalog-bad-compat", current[:5] + [[7]] + current[6:]),
 ):
-    write(name + ".msgpack", [header, [entry] + catalog[1:], records])
+    # One catalog entry and the records that use it: the older-layout reader takes an entry's slot 5 for a string, so a second
+    # current-layout entry would make it refuse for that reason, not for the malformed slot under test.
+    write(name + ".msgpack", [header, [entry], [record for record in records if record[1] == current[0]]])