diff --git a/frontend-js/src/main/js/ServerConnector.js b/frontend-js/src/main/js/ServerConnector.js
index 97d8b5d6e6221c49e35eb63041913e6158313b80..b104a2e9594062f4e1c88a3f90e6cf8d902f96a0 100644
--- a/frontend-js/src/main/js/ServerConnector.js
+++ b/frontend-js/src/main/js/ServerConnector.js
@@ -284,7 +284,7 @@ ServerConnector.sendPatchRequest = function (url, json) {
  * @returns {string}
  */
 ServerConnector.getApiBaseUrl = function () {
-  return this.getServerBaseUrl() + "/api/";
+  return this.getServerBaseUrl() + "api/";
 };
 
 ServerConnector.getServerBaseUrl = function () {