diff --git a/pom.xml b/pom.xml
index 51c861a76..636ba2fc6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
         <version>1.3.5.RELEASE</version>
     </parent>
     <name>petclinic</name>
-    <packaging>jar</packaging>
+    <packaging>war</packaging>
 
     <properties>
 
diff --git a/src/main/java/org/springframework/samples/petclinic/PetClinicApplication.java b/src/main/java/org/springframework/samples/petclinic/PetClinicApplication.java
index f3d1a3a38..d1b31feed 100644
--- a/src/main/java/org/springframework/samples/petclinic/PetClinicApplication.java
+++ b/src/main/java/org/springframework/samples/petclinic/PetClinicApplication.java
@@ -26,7 +26,12 @@ import org.springframework.boot.context.web.SpringBootServletInitializer;
  *
  */
 @SpringBootApplication
-public class PetClinicApplication {
+public class PetClinicApplication extends SpringBootServletInitializer {
+
+    @Override
+    protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
+        return application.sources(PetClinicApplication.class);
+    }
 
 	public static void main(String[] args) throws Exception {
 		SpringApplication.run(PetClinicApplication.class, args);