diff --git a/ext/fg/js/document.js b/ext/fg/js/document.js
index 26c85b40..b1e71777 100644
--- a/ext/fg/js/document.js
+++ b/ext/fg/js/document.js
@@ -76,7 +76,7 @@ function docRangeFromPoint(point) {
     if (!document.caretRangeFromPoint) {
         document.caretRangeFromPoint = (x, y) => {
             const position = document.caretPositionFromPoint(x,y);
-            if (position) {
+            if (position && position.offsetNode) {
                 const range = document.createRange();
                 range.setStart(position.offsetNode, position.offset);
                 range.setEnd(position.offsetNode, position.offset);
diff --git a/ext/manifest.json b/ext/manifest.json
index 7b0a61a5..c76155f4 100644
--- a/ext/manifest.json
+++ b/ext/manifest.json
@@ -1,7 +1,7 @@
 {
     "manifest_version": 2,
     "name": "Yomichan",
-    "version": "1.3.2",
+    "version": "1.3.3",
 
     "description": "Japanese dictionary with Anki integration",
     "icons": {"16": "mixed/img/icon16.png", "48": "mixed/img/icon48.png", "128": "mixed/img/icon128.png"},