diff --git a/bin/crx.js b/bin/crx.js
index c43d6bc..a504155 100755
--- a/bin/crx.js
+++ b/bin/crx.js
@@ -85,22 +85,22 @@ function pack (dir, program) {
     crx.privateKey = data;
 
     crx.load().then(function () {
-	return crx.loadContents();
-      })
+      return crx.loadContents();
+    })
       .then(function (zipBuffer) {
-	if (program.zipOutput) {
-	  var outFile = resolve(cwd, program.zipOutput);
+        if (program.zipOutput) {
+          var outFile = resolve(cwd, program.zipOutput);
 
-	  fs.createWriteStream(outFile).end(zipBuffer);
-	}
+          fs.createWriteStream(outFile).end(zipBuffer);
+        }
 
-	return crx.pack(zipBuffer);
+        return crx.pack(zipBuffer);
       })
       .then(function (crxBuffer) {
-	var outFile = resolve(cwd, program.output);
-	(outFile ? fs.createWriteStream(outFile) : process.stdout).end(crxBuffer);
+        var outFile = resolve(cwd, program.output);
+        (outFile ? fs.createWriteStream(outFile) : process.stdout).end(crxBuffer);
 
-	return crx.destroy();
+        return crx.destroy();
       });
   });
 }
\ No newline at end of file