diff --git a/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatListUI.java b/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatListUI.java
index d4e7b369..d639ecb3 100644
--- a/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatListUI.java
+++ b/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatListUI.java
@@ -126,6 +126,9 @@ public class FlatListUI
 	 * or the application has to be changed to extend a FlatLaf renderer.
 	 */
 	private void toggleSelectionColors() {
+		if( list == null )
+			return;
+
 		if( FlatUIUtils.isPermanentFocusOwner( list ) ) {
 			if( list.getSelectionBackground() == selectionInactiveBackground )
 				list.setSelectionBackground( selectionBackground );
diff --git a/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTableUI.java b/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTableUI.java
index 3f171417..51aff9ca 100644
--- a/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTableUI.java
+++ b/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTableUI.java
@@ -188,6 +188,9 @@ public class FlatTableUI
 	 * or the application has to be changed to extend a FlatLaf renderer.
 	 */
 	private void toggleSelectionColors() {
+		if( table == null )
+			return;
+
 		if( FlatUIUtils.isPermanentFocusOwner( table ) ) {
 			if( table.getSelectionBackground() == selectionInactiveBackground )
 				table.setSelectionBackground( selectionBackground );