diff --git a/scrapy/commands/crawl.py b/scrapy/commands/crawl.py
index 2fd102cc3..6d56b5ea3 100644
--- a/scrapy/commands/crawl.py
+++ b/scrapy/commands/crawl.py
@@ -1,3 +1,4 @@
+import os
 from scrapy.command import ScrapyCommand
 from scrapy.utils.conf import arglist_to_dict
 from scrapy.exceptions import UsageError