diff --git a/pairent_frontend_react/src/constants.js b/pairent_frontend_react/src/constants.js
index a017078..0b2a3e4 100644
--- a/pairent_frontend_react/src/constants.js
+++ b/pairent_frontend_react/src/constants.js
@@ -7,7 +7,7 @@ const api_path = path => API_ROOT + path;
  * Api root path 
  * @type {string}
  */
-const API_ROOT = window.location.protocol + window.location.host;
+const API_ROOT = window.location.protocol + '//' + window.location.host;
 // ДЛЯ ПРОДА ПОСТАВИТЬ ЭТО: '//' + window.location.host
 
 /** OpenID Connect Client Config