diff --git a/src/editor/setPosition.js b/src/editor/setPosition.js
index 88707c6..01e857d 100644
--- a/src/editor/setPosition.js
+++ b/src/editor/setPosition.js
@@ -1,7 +1,7 @@
 /** Sets the editor position and determines a proper orientation **/
 const setPosition = (wrapperEl, editorEl, annotationBounds) => {
   // Container element offset
-  const { offsetLeft, offsetTop } = wrapperEl;
+  const containerBounds = wrapperEl.getBoundingClientRect();
   const { scrollX, scrollY } = window;
 
   // Re-set orientation class
@@ -12,21 +12,20 @@ const setPosition = (wrapperEl, editorEl, annotationBounds) => {
 
   // Default orientation
   const { x, y, height, top, right } = annotationBounds; 
-  editorEl.style.top = `${y + height + scrollY - offsetTop}px`;
-  editorEl.style.left = `${x + scrollX - offsetLeft}px`;
+  editorEl.style.top = `${y + height - containerBounds.top}px`;
+  editorEl.style.left = `${x + scrollX - 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 = `${right - defaultOrientation.width + scrollX - offsetLeft}px`;
+    editorEl.style.left = `${right - defaultOrientation.width + scrollX - containerBounds.left}px`;
   }
 
   if (defaultOrientation.bottom > window.innerHeight - scrollY) {
     // Flip vertically
     const annotationTop = top + scrollY; // Annotation top relative to parents
-    const containerBounds = wrapperEl.getBoundingClientRect();
     const containerHeight = containerBounds.height + containerBounds.top + scrollY;
     
     editorEl.classList.add('align-bottom');