diff --git a/src/MeasurementControl/measurementsPanel.js b/src/MeasurementControl/measurementsPanel.js
index 507a73e..6b70ac2 100644
--- a/src/MeasurementControl/measurementsPanel.js
+++ b/src/MeasurementControl/measurementsPanel.js
@@ -4,7 +4,7 @@
  * entries with per-type numbering, syncs selection with Potree's jsTree, and
  * dynamically mounts the native properties panel when a measurement is active.
  */
-window.createMeasurementsPanel = function createMeasurementsPanel(viewer) {
+export function initMeasurementsPanel(viewer) {
   // Track last selected measurement label for dynamic data title
   const lastSelection = { uuid: null, label: '' }
   // Resolve or create measurements container in Potree menu
@@ -676,7 +676,3 @@ window.createMeasurementsPanel = function createMeasurementsPanel(viewer) {
     }
   }
 }
-
-export function initMeasurementsPanel(viewer) {
-  return window.createMeasurementsPanel(viewer)
-}