diff --git a/_config.yml b/_config.yml
index 7394db7b..d7bac3f2 100644
--- a/_config.yml
+++ b/_config.yml
@@ -32,6 +32,7 @@ staticman:
   allowedFields          : ['name', 'email', 'url', 'message']
   branch                 : # "master", "gh-pages"
   commitMessage          : "New comment."
+  filename               : comment-{@timestamp}
   format                 : "yml"
   moderation             : true
   path                   : "_data/comments/{options.slug}"