diff --git a/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatComboBoxUI.java b/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatComboBoxUI.java
index 89c72d0c..6f4e2e3d 100644
--- a/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatComboBoxUI.java
+++ b/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatComboBoxUI.java
@@ -702,6 +702,9 @@ public class FlatComboBoxUI
 			super.configureList();
 
 			list.setCellRenderer( new PopupListCellRenderer() );
+			if( focusedBackground != null ) {
+		        list.setBackground( focusedBackground );
+			}
 		}
 
 		@Override