diff --git a/src/generator.ts b/src/generator.ts
index df55b88..d6038be 100644
--- a/src/generator.ts
+++ b/src/generator.ts
@@ -99,6 +99,10 @@ export class Generator {
         installPlaywrightBrowsers: !this.options.noBrowsers,
       };
     }
+    if (!process.stdin.isTTY) {
+      console.error('Non-interactive terminal detected. See --help for options, then run again with --quiet.');
+      process.exit(1);
+    }
 
     const isDefinitelyTS = fs.existsSync(path.join(this.rootDir, 'tsconfig.json'));
 
diff --git a/tests/integration.spec.ts b/tests/integration.spec.ts
index 995a67d..02ac506 100644
--- a/tests/integration.spec.ts
+++ b/tests/integration.spec.ts
@@ -175,6 +175,10 @@ test('should install with "npm i" in GHA when using npm with package-lock disabl
   expect(workflowContent).not.toContain('run: npm ci');
 });
 
+test('should require --quiet for non-interactive terminals', async ({ exec }) => {
+  await expect(exec('node', [path.join(__dirname, '..')])).rejects.toThrow('Non-interactive terminal detected');
+});
+
 test('should not prompt and skip existing files in --quiet mode', async ({ run, dir }) => {
   // First run: generate the project normally
   await run([], { installGitHubActions: false, testDir: 'tests', language: 'TypeScript', installPlaywrightDependencies: false, installPlaywrightBrowsers: false });