diff --git a/src/main/java/com/vaadin/tutorial/addressbook/AddressbookUI.java b/src/main/java/com/vaadin/tutorial/addressbook/AddressbookUI.java
index 1e0cbd7c..507d8f6c 100644
--- a/src/main/java/com/vaadin/tutorial/addressbook/AddressbookUI.java
+++ b/src/main/java/com/vaadin/tutorial/addressbook/AddressbookUI.java
@@ -1,4 +1,4 @@
-package com.vaadin.tutorial.addressbook
+package com.vaadin.tutorial.addressbook;
 
 import javax.servlet.annotation.WebServlet;