diff --git a/app/utils/keys-map.coffee b/app/utils/keys-map.coffee
index 89c9b703..18e4486e 100644
--- a/app/utils/keys-map.coffee
+++ b/app/utils/keys-map.coffee
@@ -24,6 +24,7 @@ languageConfigKeys = {
   clojure:     'Clojure'
   lein:        'Lein'
   compiler:    'Compiler'
+  crystal:     'Crystal'
 }
 
 configKeys = {