diff --git a/tests/nostr-login-permissions.test.mjs b/tests/nostr-login-permissions.test.mjs
index 0fa80c4c..1a81e753 100644
--- a/tests/nostr-login-permissions.test.mjs
+++ b/tests/nostr-login-permissions.test.mjs
@@ -313,7 +313,7 @@ test("NIP-07 login falls back when structured permissions fail", async () => {
     const pubkey = result.pubkey;
     assert.equal(pubkey, HEX_PUBKEY);
     assert.ok(env.enableCalls.length >= 2, "should retry with alternate payloads");
-    const [objectCall, stringCall] = env.enableCalls;
+    const [objectCall, stringCall, plainCall] = env.enableCalls;
     assert.ok(Array.isArray(objectCall?.permissions));
     assert.equal(
       typeof objectCall.permissions[0],
diff --git a/tests/nostr/dm-direct-message-flow.test.mjs b/tests/nostr/dm-direct-message-flow.test.mjs
index 25759eeb..3da8e911 100644
--- a/tests/nostr/dm-direct-message-flow.test.mjs
+++ b/tests/nostr/dm-direct-message-flow.test.mjs
@@ -117,7 +117,11 @@ async function configureNostrTools() {
 
   const nostrTools = await import("nostr-tools");
 
-  globalThis.__BITVID_CANONICAL_NOSTR_TOOLS__ = nostrTools;
+  Object.defineProperty(globalThis, "__BITVID_CANONICAL_NOSTR_TOOLS__", {
+    value: nostrTools,
+    writable: true,
+    configurable: true,
+  });
   globalThis.NostrTools = nostrTools;
   globalThis.nostrToolsReady = Promise.resolve({ ok: true, value: nostrTools });
 
@@ -125,7 +129,11 @@ async function configureNostrTools() {
     if (previousCanonical === undefined) {
       delete globalThis.__BITVID_CANONICAL_NOSTR_TOOLS__;
     } else {
-      globalThis.__BITVID_CANONICAL_NOSTR_TOOLS__ = previousCanonical;
+      Object.defineProperty(globalThis, "__BITVID_CANONICAL_NOSTR_TOOLS__", {
+        value: previousCanonical,
+        writable: true,
+        configurable: true,
+      });
     }
 
     if (previousNostrTools === undefined) {