diff --git a/basis/vocabs/metadata/metadata-tests.factor b/basis/vocabs/metadata/metadata-tests.factor
index 0f248b6377..7e8b0a9a57 100644
--- a/basis/vocabs/metadata/metadata-tests.factor
+++ b/basis/vocabs/metadata/metadata-tests.factor
@@ -5,10 +5,12 @@ IN: vocabs.metadata
 : wrong-platform-vocab-name ( -- name )
     os windows? "unix" "windows" ? ;
 
-[ wrong-platform-vocab-name use-vocab ]
-[ error>> unsupported-platform? ] must-fail-with
+[
+    [ wrong-platform-vocab-name use-vocab ]
+    [ error>> unsupported-platform? ] must-fail-with
 
-! Factor remembers that we tried to load the wrong vocab
-! and this breaks f2 until we forget the vocab.
-! See issue #1463.
-[ wrong-platform-vocab-name forget-vocab ] try
+    ! Factor remembers that we tried to load the wrong vocab
+    ! and this breaks f2 until we forget the vocab.
+    ! See issue #1463.
+    [ wrong-platform-vocab-name forget-vocab ] try
+] with-manifest