diff --git a/lib/kadira.js b/lib/kadira.js
index a2f8c285..00067fe8 100644
--- a/lib/kadira.js
+++ b/lib/kadira.js
@@ -284,7 +284,7 @@ Kadira._sendPayload = function () {
   new Fibers(function () {
     let payload = Kadira._buildPayload();
 
-    if (!DEBUG_PAYLOAD_SIZE) {
+    if (DEBUG_PAYLOAD_SIZE) {
       logPayload(payload);
     }