diff --git a/modules/javafx.controls/src/main/java/javafx/scene/control/skin/TreeCellSkin.java b/modules/javafx.controls/src/main/java/javafx/scene/control/skin/TreeCellSkin.java
index 468c0723ed2..6b1cdb64616 100644
--- a/modules/javafx.controls/src/main/java/javafx/scene/control/skin/TreeCellSkin.java
+++ b/modules/javafx.controls/src/main/java/javafx/scene/control/skin/TreeCellSkin.java
@@ -207,7 +207,7 @@ public final DoubleProperty indentProperty() {
         boolean disclosureVisible = disclosureNode != null && treeItem != null && ! treeItem.isLeaf();
 
         final double defaultDisclosureWidth = maxDisclosureWidthMap.containsKey(tree) ?
-                maxDisclosureWidthMap.get(tree) : 18;   // JDK-8119169: default width of default disclosure node
+                maxDisclosureWidthMap.get(tree) : 20;   // JDK-8119169: default width of default disclosure node
         double disclosureWidth = defaultDisclosureWidth;
 
         if (disclosureVisible) {