diff --git a/t/list2vc-deflist.t b/t/list2vc-deflist.t
index 89577fb..1cbd29b 100644
--- a/t/list2vc-deflist.t
+++ b/t/list2vc-deflist.t
@@ -30,33 +30,33 @@
 my $protocol = join('', `@call`);
 
 like($protocol, qr!bih from regex!);
-ok(-f catfile($output, 'bih.json'));
+ok(-f catfile($output, 'bih.jsonld'));
 like($protocol, qr!bio from regex!);
-ok(-f catfile($output, 'bio.json'));
+ok(-f catfile($output, 'bio.jsonld'));
 like($protocol, qr!bio-pub from regex!);
-ok(-f catfile($output, 'bio-pub.json'));
+ok(-f catfile($output, 'bio-pub.jsonld'));
 like($protocol, qr!l from regex!);
-ok(-f catfile($output, 'l.json'));
+ok(-f catfile($output, 'l.jsonld'));
 like($protocol, qr!dpa from regex!);
-ok(-f catfile($output, 'dpa.json'));
+ok(-f catfile($output, 'dpa.jsonld'));
 like($protocol, qr!fsp from regex!);
-ok(-f catfile($output, 'fsp.json'));
+ok(-f catfile($output, 'fsp.jsonld'));
 like($protocol, qr!fsp-pub from regex!);
-ok(-f catfile($output, 'fsp-pub.json'));
+ok(-f catfile($output, 'fsp-pub.jsonld'));
 like($protocol, qr!kjl from regex!);
-ok(-f catfile($output, 'kjl.json'));
+ok(-f catfile($output, 'kjl.jsonld'));
 like($protocol, qr!thm-lit from regex!);
-ok(-f catfile($output, 'thm-lit.json'));
+ok(-f catfile($output, 'thm-lit.jsonld'));
 like($protocol, qr!wxx11 from regex!);
-ok(-f catfile($output, 'wxx11.json'));
+ok(-f catfile($output, 'wxx11.jsonld'));
 like($protocol, qr!zca from regex!);
-ok(-f catfile($output, 'zca.json'));
+ok(-f catfile($output, 'zca.jsonld'));
 like($protocol, qr!list2 from def-file!);
-ok(-f catfile($output, 'list2.json'));
+ok(-f catfile($output, 'list2.jsonld'));
 like($protocol, qr!list5 from def-file!);
-ok(-f catfile($output, 'list5.json'));
+ok(-f catfile($output, 'list5.jsonld'));
 like($protocol, qr!misc-lit from regex!);
-ok(-f catfile($output, 'misc-lit.json'));
+ok(-f catfile($output, 'misc-lit.jsonld'));
 
 done_testing;
 __END__