diff --git a/pelicanconf.py b/pelicanconf.py
index e25c604..143b6de 100644
--- a/pelicanconf.py
+++ b/pelicanconf.py
@@ -56,5 +56,7 @@ DELETE_OUTPUT_DIRECTORY = True
 SLUG_REGEX_SUBSTITUTIONS = [
 (r'\s', '-'),]
 
+
+ARTICLE_ORDER_BY = 'slug'
 # Uncomment following line if you want document-relative URLs when developing
 #RELATIVE_URLS = True