diff --git a/context.js b/context.js
index e0e7773..05d0b54 100644
--- a/context.js
+++ b/context.js
@@ -12,7 +12,7 @@ export function bindContextMenu(node) {
     const valueEnabled = type != 'SET' && type != 'SEQUENCE';
     node.onclick = function (event) {
         // do not show the menu in case of clicking the icon
-        if (event.srcElement.nodeName !== 'SUMMARY') {
+        if (event.srcElement.nodeName === 'SPAN') {
             contextMenu.style.left = event.pageX + 'px';
             contextMenu.style.top = event.pageY + 'px';
             contextMenu.style.visibility = 'visible';