modules/javafx.controls/src/main/java/javafx/scene/control/skin/TreeCellSkin.java

@@ -298,11 +298,11 @@
         final Node d = cell.getDisclosureNode();
         final double prefHeight = (d == null) ? pref : Math.max(d.prefHeight(-1), pref);
 
         // RT-30212: TreeCell does not honor minSize of cells.
         // snapSize for RT-36460
-        return snapSize(Math.max(cell.getMinHeight(), prefHeight));
+        return snapSizeY(Math.max(cell.getMinHeight(), prefHeight));
     }
 
     /** {@inheritDoc} */
     @Override protected double computeMaxHeight(double width, double topInset, double rightInset, double bottomInset, double leftInset) {
         if (fixedCellSizeEnabled) {