diff --git a/src/targets/clojure/clj_http.js b/src/targets/clojure/clj_http.js
index ec13d5364..39ac649af 100644
--- a/src/targets/clojure/clj_http.js
+++ b/src/targets/clojure/clj_http.js
@@ -30,7 +30,9 @@ File.prototype.toString = function () {
 
 var jsType = function (x) {
   return (typeof x !== 'undefined')
-          ? x.constructor.name.toLowerCase()
+          ? ((x !== null)
+              ? x.constructor.name.toLowerCase()
+            : 'null')
           : null
 }