diff --git a/mode/clojure/clojure.js b/mode/clojure/clojure.js
index b1dbf0d6179b6a99956a369cd84c4e69774e48d6..a951589eb14c7cf46e5b11176e97ac158ca85f4b 100644
--- a/mode/clojure/clojure.js
+++ b/mode/clojure/clojure.js
@@ -46,7 +46,7 @@ CodeMirror.defineMode("clojure", function (config, mode) {
         exponent: /[eE]/,
         keyword_char: /[^\s\(\[\;\)\]]/,
         basic: /[\w\$_\-]/,
-        lang_keyword: /[\w*+!-_?:\/]/
+        lang_keyword: /[\w*+!\-_?:\/]/
     };
 
     function stateStack(indent, type, prev) { // represents a state stack object