diff --git a/tests/input/credential-issuer-nonurl-fail.json b/tests/input/credential-issuer-nonurl-fail.json
index 1204539..c1cdbcc 100644
--- a/tests/input/credential-issuer-nonurl-fail.json
+++ b/tests/input/credential-issuer-nonurl-fail.json
@@ -5,7 +5,7 @@
   "type": [
     "VerifiableCredential"
   ],
-  "issuer": "https ://not-a-url/issuer/foo",
+  "issuer": 2,
   "credentialSubject": {
     "id": "did:example:subject"
   }
diff --git a/tests/input/credential-issuer-object-id-not-url-fail.json b/tests/input/credential-issuer-object-id-not-url-fail.json
index 168abdf..27026a7 100644
--- a/tests/input/credential-issuer-object-id-not-url-fail.json
+++ b/tests/input/credential-issuer-object-id-not-url-fail.json
@@ -6,7 +6,7 @@
     "VerifiableCredential"
   ],
   "issuer": {
-    "id": "https ://not-a-url/issuer/foo"
+    "id": 2
   },
   "credentialSubject": {
     "id": "did:example:subject"