diff --git a/src/main/java/forge/gui/deckeditor/CDeckEditorUI.java b/src/main/java/forge/gui/deckeditor/CDeckEditorUI.java
index 22136e1ec7f..d6488edacec 100644
--- a/src/main/java/forge/gui/deckeditor/CDeckEditorUI.java
+++ b/src/main/java/forge/gui/deckeditor/CDeckEditorUI.java
@@ -18,6 +18,7 @@
 package forge.gui.deckeditor;
 
 import java.awt.Color;
+import java.awt.Component;
 import java.awt.Dimension;
 import java.awt.Point;
 import java.awt.event.ActionEvent;
@@ -266,12 +267,26 @@ public enum CDeckEditorUI implements CardContainer {
             this.tableView = tableView;
         }
 
+        private Component _getPopupRoot() {
+            Component root = SwingUtilities.getRoot(popupLabel);
+            if (null == root) {
+                // manually locate root ancestor (required on platforms that don't use a HeavyWeightWindow for the popup)
+                // note that this method does not work when SwingUtilities.getRoot() returns non-null since in that case
+                // this would return the application window root, not the popup root.
+                root = popupLabel;
+                while (null != root.getParent()) {
+                    root = root.getParent();
+                }
+            }
+            return root;
+        }
+        
         private void _setPopupSize() {
             // resize popup to size of label (ensure there's room for the next character so the label
             // doesn't show '...' in the time between when we set the text and when we increase the size
             Dimension labelDimension = popupLabel.getPreferredSize();
             Dimension popupDimension = new Dimension(labelDimension.width + 12, labelDimension.height + 4);
-            SwingUtilities.getRoot(popupLabel).setSize(popupDimension);
+            _getPopupRoot().setSize(popupDimension);
         }
         
         private void _findNextMatch(int startIdx) {
@@ -317,7 +332,7 @@ public enum CDeckEditorUI implements CardContainer {
                 PopupFactory factory = PopupFactory.getSharedInstance();
                 Point tableLoc = tableView.getTable().getTableHeader().getLocationOnScreen();
                 popup = factory.getPopup(tableView.getTable(), popupLabel, tableLoc.x + 10, tableLoc.y + 10);
-                SwingUtilities.getRoot(popupLabel).setBackground(FSkin.getColor(FSkin.Colors.CLR_INACTIVE));
+                _getPopupRoot().setBackground(FSkin.getColor(FSkin.Colors.CLR_INACTIVE));
                 
                 popupTimer = new Timer(5000, new ActionListener() {
                     @Override