diff --git a/modules/dynamic/hierarchy-tree.js b/modules/dynamic/hierarchy-tree.js
index 5a420eb5..73b9f173 100644
--- a/modules/dynamic/hierarchy-tree.js
+++ b/modules/dynamic/hierarchy-tree.js
@@ -432,7 +432,7 @@ function selectElement(d) {
   };
 
   byId("hierarchyTree_selectedCloseButton").onclick = () => {
-    this.style.outline = "none";
+    node.style("outline", "none");
     byId("hierarchyTree_selected").style.display = "none";
     byId("hierarchyTree_infoLine").style.display = "block";
   };
diff --git a/versioning.js b/versioning.js
index 21d29bf7..ba8f7187 100644
--- a/versioning.js
+++ b/versioning.js
@@ -1,7 +1,7 @@
 "use strict";
 // version and caching control
 
-const version = "1.86.06"; // generator version, update each time
+const version = "1.86.07"; // generator version, update each time
 
 {
   document.title += " v" + version;