diff --git a/searx/engines/stackoverflow.py b/searx/engines/stackoverflow.py
index 24afe9eac..2efce08d6 100644
--- a/searx/engines/stackoverflow.py
+++ b/searx/engines/stackoverflow.py
@@ -3,6 +3,8 @@ from lxml import html
 from urlparse import urljoin
 from cgi import escape
 
+categories = ['it']
+
 base_url = 'http://stackoverflow.com/'
 search_url = base_url+'search?q='