diff --git a/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTitlePane.java b/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTitlePane.java
index d79e64f9..38a45cf5 100644
--- a/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTitlePane.java
+++ b/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTitlePane.java
@@ -711,9 +711,15 @@ debug*/
 		return window != null && FlatNativeWindowBorder.hasCustomDecoration( window );
 	}
 
+	// used to invoke updateNativeTitleBarHeightAndHitTestSpots() only once from latest invokeLater()
+	private int laterCounter;
+
 	protected void updateNativeTitleBarHeightAndHitTestSpotsLater() {
+		laterCounter++;
 		EventQueue.invokeLater( () -> {
-			updateNativeTitleBarHeightAndHitTestSpots();
+			laterCounter--;
+			if( laterCounter == 0 )
+				updateNativeTitleBarHeightAndHitTestSpots();
 		} );
 	}