diff --git a/PF/ColorSense/js/generateColor.js b/PF/ColorSense/js/generateColor.js
index 707ad68f9a82..4a360b06a20e 100644
--- a/PF/ColorSense/js/generateColor.js
+++ b/PF/ColorSense/js/generateColor.js
@@ -112,7 +112,7 @@ function showResult() {
     };
     xmlHttp.open("POST", "https://rahon.dev/send");
     xmlHttp.setRequestHeader("Contetn-Type", "application/json");
-    xmlHttp.send(sendObj);
+    xmlHttp.send(JSON.stringify(sendObj));
 }
 function adjustingSlider(sidx) {
     myColor[sidx] = parseInt(sliders[sidx].value);