diff --git a/src/main/java/com/flowingcode/vaadin/addons/demo/TabbedDemo.java b/src/main/java/com/flowingcode/vaadin/addons/demo/TabbedDemo.java
index 7f7fada..d741725 100644
--- a/src/main/java/com/flowingcode/vaadin/addons/demo/TabbedDemo.java
+++ b/src/main/java/com/flowingcode/vaadin/addons/demo/TabbedDemo.java
@@ -242,7 +242,7 @@ private Optional<SourceCodeTab> createSourceCodeTab(Class<?> annotatedClass, Dem
     }
     
     if (!annotation.language().equals(DemoSource.DEFAULT_VALUE)) {
-      builder.language(annotation.caption());
+      builder.language(annotation.language());
     }
 
     builder.sourcePosition(annotation.sourcePosition());