diff --git a/backend/scripts/__tests__/migrate-ordrestyring-canonical-data.test.js b/backend/scripts/__tests__/migrate-ordrestyring-canonical-data.test.js
index 688a13f..a7c225a 100644
--- a/backend/scripts/__tests__/migrate-ordrestyring-canonical-data.test.js
+++ b/backend/scripts/__tests__/migrate-ordrestyring-canonical-data.test.js
@@ -20,7 +20,7 @@ beforeAll(async () => {
   root = await fs.mkdtemp(path.join(os.tmpdir(), 'canonical-runner-test-'));
   socketPath = path.join(root, 'db.sock');
   execFileSync('mariadb-install-db', ['--no-defaults', `--datadir=${root}/data`,
-    '--auth-root-authentication-method=normal', '--skip-test-db'], { stdio: 'ignore' });
+    '--auth-root-authentication-method=normal', '--skip-test-db'], { stdio: 'ignore', cwd: root });
   server = spawn('mariadbd', ['--no-defaults', `--datadir=${root}/data`, `--socket=${socketPath}`,
     `--pid-file=${root}/db.pid`, '--skip-networking', `--log-error=${root}/server.log`], { stdio: 'ignore' });
   for (let attempt = 0; attempt < 100; attempt++) {
diff --git a/backend/src/services/__tests__/ordrestyringDataAudit.test.js b/backend/src/services/__tests__/ordrestyringDataAudit.test.js
index 97e49b7..dcac256 100644
--- a/backend/src/services/__tests__/ordrestyringDataAudit.test.js
+++ b/backend/src/services/__tests__/ordrestyringDataAudit.test.js
@@ -18,7 +18,7 @@ beforeAll(async () => {
   const install = spawnSync('mariadb-install-db', [
     '--no-defaults', `--datadir=${directory}`, '--auth-root-authentication-method=normal',
     '--skip-test-db'
-  ], { encoding: 'utf8' });
+  ], { encoding: 'utf8', cwd: directory });
   if (install.status !== 0) throw new Error('Isolated fixture initialization failed');
   const socketPath = path.join(directory, 'db.sock');
   server = spawn('mariadbd', ['--no-defaults', `--datadir=${directory}`,