diff --git a/assets/javascripts/models/entry.coffee b/assets/javascripts/models/entry.coffee
index 5ab41695..a8b2dd01 100644
--- a/assets/javascripts/models/entry.coffee
+++ b/assets/javascripts/models/entry.coffee
@@ -55,6 +55,7 @@ class app.models.Entry extends app.Model
     'backbone.js': 'bb'
     'c++': 'cpp'
     'coffeescript': 'cs'
+    'crystal': 'cr'
     'elixir': 'ex'
     'javascript': 'js'
     'jquery': '$'