From a2599a9237bb75577a326e40fe8b947cd2f22beb Mon Sep 17 00:00:00 2001
From: Rainer Simon <rainer.simon@ait.ac.at>
Date: Fri, 22 May 2020 20:01:30 +0200
Subject: [PATCH] Bugfix

---
 src/editor/Editor.jsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/editor/Editor.jsx b/src/editor/Editor.jsx
index 0a73956..283c955 100644
--- a/src/editor/Editor.jsx
+++ b/src/editor/Editor.jsx
@@ -57,7 +57,7 @@ const Editor = props => {
   // Attach resize listener on mount
   useEffect(() => {
     // Older iOS Safaris don't support ResizeObserver
-    if (ResizeObserver) {
+    if (window.ResizeObserver) {
       const resizeObserver = new ResizeObserver(() => {
         setPosition(props.wrapperEl, element.current, props.selectedElement);
       });