diff --git a/duo-client/src/main/java/com/duosecurity/client/Http.java b/duo-client/src/main/java/com/duosecurity/client/Http.java
index 23a7d7f..23ed4b0 100644
--- a/duo-client/src/main/java/com/duosecurity/client/Http.java
+++ b/duo-client/src/main/java/com/duosecurity/client/Http.java
@@ -127,7 +127,7 @@ public Object executeJSONRequest() throws Exception {
     JSONObject result = new JSONObject(executeRequestRaw());
     if (!result.getString("stat").equals("OK")) {
       throw new Exception("Duo error code ("
-          + result.getInt("code")
+          + result.get("code").toString()
           + "): "
           + result.getString("message"));
     }