diff --git a/main.js b/main.js
index 2e462bc..001d024 100644
--- a/main.js
+++ b/main.js
@@ -17,7 +17,7 @@ app.on("ready", () => {
   
   mainApp.setFullScreen(true)
   mainApp.setTitle("DR PROFESSIONAL CLINIC");
-  mainApp.loadURL("http://clinic.cubetiq.online?platform=desktop");
+  mainApp.loadURL(process.env.DR_URL);
 
   mainApp.on("closed", () => {
     mainApp = null;
diff --git a/package.json b/package.json
index 34b560d..11b3991 100644
--- a/package.json
+++ b/package.json
@@ -11,8 +11,8 @@
     "postinstall": "electron-builder install-app-deps",
     "start": "yarn && electron ./main",
     "pack": "electron-builder --dir",
-    "dist": "electron-builder --config ./config/electron-builder-dev.json",
-    "sandbox": "electron-builder --config ./config/electron-builder-sandbox.json",
+    "dist": "DR_URL=http://clinic.cubetiq.online?platform=desktop electron-builder --config ./config/electron-builder-dev.json",
+    "sandbox": "DR_URL=http://sandbox.clinic.cubetiq.online?platform=desktop electron-builder --config ./config/electron-builder-sandbox.json",
     "builder-help": "electron-builder --help",
     "test": "echo \"Error: no test specified\" && exit 1"
   },