diff --git a/xchart-demo/src/main/java/org/knowm/xchart/demo/charts/theme/ThemeChart02.java b/xchart-demo/src/main/java/org/knowm/xchart/demo/charts/theme/ThemeChart02.java
index 32b1c84653978c1391d60480fd4e578724e68fec..9c003ccc2224d66c2fa031150d2a060dd672f584 100644
--- a/xchart-demo/src/main/java/org/knowm/xchart/demo/charts/theme/ThemeChart02.java
+++ b/xchart-demo/src/main/java/org/knowm/xchart/demo/charts/theme/ThemeChart02.java
@@ -45,7 +45,7 @@ public class ThemeChart02 implements ExampleChart {
   public Chart getChart() {
 
     // Create Chart
-    Chart_XY chart = new ChartBuilder_XY().width(800).height(600).theme(ChartTheme.Matlab).title("Matlab Theme").xAxisTitle("X").yAxisTitle("Y").build();
+    Chart_XY chart = new ChartBuilder_XY().width(800).height(600).theme(ChartTheme.GGPlot2).title("GGPlot2 Theme").xAxisTitle("X").yAxisTitle("Y").build();
 
     // Customize Chart