diff --git a/src/editor/setPosition.js b/src/editor/setPosition.js
index f199448..01cd74a 100644
--- a/src/editor/setPosition.js
+++ b/src/editor/setPosition.js
@@ -1,8 +1,8 @@
 /** Sets the editor position and determines a proper orientation **/
 const setPosition = (wrapperEl, editorEl, selectedEl) => {
-  // Container element offset  
+  // Container element offset
   const containerBounds = wrapperEl.getBoundingClientRect();
-  const { scrollX, scrollY } = window;
+  const { pageXOffset, pageYOffset } = window;
 
   // Re-set orientation class
   editorEl.className = 'r6o-editor';
@@ -13,20 +13,20 @@ const setPosition = (wrapperEl, editorEl, selectedEl) => {
   // Default orientation
   const { left, top, right, height } = selectedEl.getBoundingClientRect();
   editorEl.style.top = `${top + height - containerBounds.top}px`;
-  editorEl.style.left = `${left + scrollX - containerBounds.left}px`;
+  editorEl.style.left = `${left + pageXOffset - containerBounds.left}px`;
 
   const defaultOrientation = editorEl.getBoundingClientRect();
 
   if (defaultOrientation.right > window.innerWidth) {
     // Default bounds clipped - flip horizontally
     editorEl.classList.add('align-right');
-    editorEl.style.left = `${right - defaultOrientation.width + scrollX - containerBounds.left}px`;
+    editorEl.style.left = `${right - defaultOrientation.width + pageXOffset - containerBounds.left}px`;
   }
 
   if (defaultOrientation.bottom > window.innerHeight) {
     // Flip vertically
-    const annotationTop = top + scrollY; // Annotation bottom relative to parents
-    const containerHeight = containerBounds.bottom + scrollY;
+    const annotationTop = top + pageYOffset; // Annotation bottom relative to parents
+    const containerHeight = containerBounds.bottom + pageYOffset;
 
     editorEl.classList.add('align-bottom');
     editorEl.style.top = 'auto';