diff --git a/src/public/main.js b/src/public/main.js
index 60e775c..bdf8af8 100644
--- a/src/public/main.js
+++ b/src/public/main.js
@@ -10,7 +10,7 @@ async function save(e, btn) {
     const headers = buildHeaders();
     const jsonFileData = buildJsonFormData(textarea);
 
-    const response = await fetchService.performPostHttpRequest('http://localhost:3000/api/post', headers, jsonFileData);
+    const response = await fetchService.performPostHttpRequest(window.location.href + 'api/post', headers, jsonFileData);
 }
 
 function buildHeaders(authorization = null) {