diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 981abfbe..11e7a62d 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -242,6 +242,7 @@ Clojure:
   primary_extension: .clj
   extensions:
   - .cljs
+  - .cljx
   filenames:
   - riemann.config