1 files changed, 1 insertions, 1 deletions
diff --git a/ext/fg/js/document.js b/ext/fg/js/document.js
index 079a5034..9afc44f0 100644
--- a/ext/fg/js/document.js
+++ b/ext/fg/js/document.js
@@ -105,7 +105,7 @@ function docRangeFromPoint(x, y, options) {
     let imposterContainer = null;
     if (elements.length > 0) {
         const element = elements[0];
-        switch (element.nodeName) {
+        switch (element.nodeName.toUpperCase()) {
             case 'IMG':
             case 'BUTTON':
                 return new TextSourceElement(element);