diff --git a/src/main/java/org/ntlab/amaryllis/server/ServerApplication.java b/src/main/java/org/ntlab/amaryllis/server/ServerApplication.java
index 3e23822..38ba6ed 100644
--- a/src/main/java/org/ntlab/amaryllis/server/ServerApplication.java
+++ b/src/main/java/org/ntlab/amaryllis/server/ServerApplication.java
@@ -2,12 +2,18 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.builder.SpringApplicationBuilder;
+import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
 
 @SpringBootApplication
-public class ServerApplication {
+public class ServerApplication  extends SpringBootServletInitializer {
 
     public static void main(String[] args) {
         SpringApplication.run(ServerApplication.class, args);
     }
 
+    @Override
+    protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
+        return application.sources(ServerApplication.class);
+    }
 }