diff --git a/flatlaf-demo/src/main/java/com/formdev/flatlaf/demo/intellijthemes/IJThemesPanel.java b/flatlaf-demo/src/main/java/com/formdev/flatlaf/demo/intellijthemes/IJThemesPanel.java
index b7b5d467..27d0b55f 100644
--- a/flatlaf-demo/src/main/java/com/formdev/flatlaf/demo/intellijthemes/IJThemesPanel.java
+++ b/flatlaf-demo/src/main/java/com/formdev/flatlaf/demo/intellijthemes/IJThemesPanel.java
@@ -177,6 +177,9 @@ public class IJThemesPanel
 
 		// change look and feel
 		if( themeInfo.lafClassName != null ) {
+			if( themeInfo.lafClassName.equals( UIManager.getLookAndFeel().getClass().getName() ) )
+				return;
+
 			try {
 				UIManager.setLookAndFeel( themeInfo.lafClassName );
 			} catch( Exception ex ) {