diff --git a/app/common/services/dataService.js b/app/common/services/dataService.js
index 2672c0e..201e79c 100644
--- a/app/common/services/dataService.js
+++ b/app/common/services/dataService.js
@@ -47,8 +47,8 @@
                     return sessionStorage.getItem(Constants.API_CREDENTIALS.host_storage_key);
                 }else{
                     return Constants.API_CREDENTIALS.default_protocol + "://" +
-                           window.location.hostname + ':' +
-                           window.location.port;
+                           window.location.hostname +
+                           (window.location.port ? ":" + window.location.port : "");
                 }
             }