diff --git a/configure/src/core/calls.js b/configure/src/core/calls.js
index 6b5acad6..1399be75 100644
--- a/configure/src/core/calls.js
+++ b/configure/src/core/calls.js
@@ -1,7 +1,8 @@
-const domain =
+let domain =
   window.mmgisglobal.NODE_ENV === "development"
     ? "http://localhost:8888/"
-    : (window.mmgisglobal.ROOT_PATH || "") + "/";
+    : window.mmgisglobal.ROOT_PATH || "";
+if (domain.length > 0 && !domain.endsWith("/")) domain += "/";
 
 const c = {
   missionPath: "Missions/",