diff --git a/apps/vtn/vtnmgr/pom.xml b/apps/vtn/vtnmgr/pom.xml
index b087f84..bc5b7ab 100644
--- a/apps/vtn/vtnmgr/pom.xml
+++ b/apps/vtn/vtnmgr/pom.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0"?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!--
   ~ Copyright 2015 Open Networking Laboratory
   ~