diff --git a/ack/ackrc.symlink b/ack/ackrc.symlink
index a0582a7..ab7922b 100644
--- a/ack/ackrc.symlink
+++ b/ack/ackrc.symlink
@@ -11,4 +11,5 @@
 
 # added file types
 --type-set=css=.css,.less,.scss
+--type-set=less=.less
 --type-set=html=.html,.mustache,.handlebars,.tmpl