diff --git a/services/idp/ui_config/env.js b/services/idp/ui_config/env.js
index 211711b2dd..aa675dd317 100644
--- a/services/idp/ui_config/env.js
+++ b/services/idp/ui_config/env.js
@@ -32,7 +32,7 @@ const dotenvFiles = [
 // https://github.com/motdotla/dotenv-expand
 dotenvFiles.forEach(dotenvFile => {
   if (fs.existsSync(dotenvFile)) {
-    require('dotenv-expand')(
+    require('dotenv-expand').expand(
       require('dotenv').config({
         path: dotenvFile,
       })