diff --git a/tests/bug-2698-crlf-install.test.cjs b/tests/bug-2698-crlf-install.test.cjs
index 48e52a66d..727df7b91 100644
--- a/tests/bug-2698-crlf-install.test.cjs
+++ b/tests/bug-2698-crlf-install.test.cjs
@@ -66,7 +66,7 @@ describe('#2698: CRLF stale gsd-update-check block is removed on Codex reinstall
   // Helper: pre-populate .codex/config.toml with a GSD marker + stale hooks block
   // using the given line ending for the stale hooks block header, and a potentially
   // different EOL for the hooks body. This exercises the cross-platform mixed scenario.
-  function writeCodexConfigWithStaleHooks(dir, headerEol, bodyEol) {
+function writeCodexConfigWithStaleHooks(dir, headerEol, bodyEol) {
     // Build the stale block with header EOL for the "# GSD Hooks" line, but body EOL
     // for the content lines (simulates a file edited by two different platforms).
     const staleBlock = [
@@ -92,6 +92,23 @@ describe('#2698: CRLF stale gsd-update-check block is removed on Codex reinstall
     return configPath;
   }
 
+  function readHooksSessionStartCommands(codexHome) {
+    const hooksPath = path.join(codexHome, 'hooks.json');
+    if (!fs.existsSync(hooksPath)) return [];
+    const raw = fs.readFileSync(hooksPath, 'utf8').trim();
+    if (!raw) return [];
+    const parsed = JSON.parse(raw);
+    const table = (parsed.hooks && typeof parsed.hooks === 'object' && !Array.isArray(parsed.hooks))
+      ? parsed.hooks
+      : parsed;
+    const sessionStart = Array.isArray(table.SessionStart) ? table.SessionStart : [];
+    return sessionStart.flatMap((entry) =>
+      (Array.isArray(entry?.hooks) ? entry.hooks : [])
+        .map((hook) => hook && hook.command)
+        .filter((cmd) => typeof cmd === 'string')
+    );
+  }
+
   test('LF config.toml: stale gsd-update-check block removed on reinstall', (t) => {
     const origCwd = process.cwd();
     t.after(() => { process.chdir(origCwd); });
@@ -107,9 +124,11 @@ describe('#2698: CRLF stale gsd-update-check block is removed on Codex reinstall
       !content.includes('gsd-update-check'),
       'Stale gsd-update-check entry must be removed from LF config.toml (#2698)'
     );
-    assert.ok(
-      content.includes('gsd-check-update'),
-      'New gsd-check-update hook must appear after reinstall'
+    const hooksJsonCommands = readHooksSessionStartCommands(path.join(tmpDir, '.codex'));
+    assert.equal(
+      hooksJsonCommands.some((cmd) => cmd.includes('gsd-check-update')),
+      true,
+      'New gsd-check-update hook must appear in hooks.json after reinstall'
     );
   });
 
@@ -128,9 +147,11 @@ describe('#2698: CRLF stale gsd-update-check block is removed on Codex reinstall
       !content.includes('gsd-update-check'),
       'Stale gsd-update-check entry must be removed from CRLF config.toml (#2698)'
     );
-    assert.ok(
-      content.includes('gsd-check-update'),
-      'New gsd-check-update hook must appear after reinstall'
+    const hooksJsonCommands = readHooksSessionStartCommands(path.join(tmpDir, '.codex'));
+    assert.equal(
+      hooksJsonCommands.some((cmd) => cmd.includes('gsd-check-update')),
+      true,
+      'New gsd-check-update hook must appear in hooks.json after reinstall'
     );
   });