diff --git a/lib/commands/eslint.js b/lib/commands/eslint.js
index 210f087..f6376b5 100644
--- a/lib/commands/eslint.js
+++ b/lib/commands/eslint.js
@@ -8,7 +8,7 @@ module.exports = {
   command,
   describe: 'Check the codebase with ESLint.',
   handler: async () => {
-    const { $ } = await import('zx/core');
+    const { $, ProcessOutput } = await import('zx/core');
     process.env.FORCE_COLOR = '3';
     if (process.argv[2] === command) {
       process.argv.splice(2, 1);
@@ -17,10 +17,15 @@ module.exports = {
     try {
       $.verbose = false;
       await $`./node_modules/.bin/eslint ${process.argv.slice(2)}`;
-    } catch (/** @type {*} */ err) {
-      const { exitCode, stdout } = err;
-      console.error(stdout.replace('\n', '').trimEnd());
-      process.exit(exitCode);
+    } catch (err) {
+      if (err instanceof ProcessOutput) {
+        const { exitCode, stdout, stderr } = err;
+        const out = stdout?.toString() || stderr?.toString() || '';
+        console.error(out.replace('\n', '').trimEnd());
+        process.exit(exitCode || 1);
+      } else {
+        throw err;
+      }
     }
   }
 };