diff --git a/scripts/sandbox_command.js b/scripts/sandbox_command.js
index 7f8e8381..d115f97f 100644
--- a/scripts/sandbox_command.js
+++ b/scripts/sandbox_command.js
@@ -20,6 +20,7 @@
 import { execSync } from 'child_process';
 import { existsSync, readFileSync } from 'fs';
 import { join, dirname } from 'path';
+import stripJsonComments from 'strip-json-comments';
 import os from 'os';
 import yargs from 'yargs';
 import { hideBin } from 'yargs/helpers';
@@ -36,7 +37,9 @@ let geminiSandbox = process.env.GEMINI_SANDBOX;
 if (!geminiSandbox) {
   const userSettingsFile = join(os.homedir(), '.gemini', 'settings.json');
   if (existsSync(userSettingsFile)) {
-    const settings = JSON.parse(readFileSync(userSettingsFile, 'utf-8'));
+    const settings = JSON.parse(
+      stripJsonComments(readFileSync(userSettingsFile, 'utf-8')),
+    );
     if (settings.sandbox) {
       geminiSandbox = settings.sandbox;
     }