diff --git a/tests/db_test.ts b/tests/db_test.ts
index 1aa666e..2ed636d 100644
--- a/tests/db_test.ts
+++ b/tests/db_test.ts
@@ -99,8 +99,16 @@ Deno.test(
     assertEquals(created.token, undefined);
     assertEquals(created.url, "https://example.com/a");
 
-    seedWebhook({ url: "https://example.com/b", verb: "create" });
-    seedWebhook({ url: "https://example.com/c", verb: "delete" });
+    seedWebhook({
+      did: "did:plc:user",
+      url: "https://example.com/b",
+      verb: "create",
+    });
+    seedWebhook({
+      did: "did:plc:user",
+      url: "https://example.com/c",
+      verb: "delete",
+    });
 
     const list = listWebhooksByDid("did:plc:user");
     assertEquals(list.length, 3);