diff --git a/JAVA/GUI/Plotter/pom.xml b/JAVA/GUI/Plotter/pom.xml
index e4d1f3980f7bbf327bb56570a1a799942eb91a7a..54d0c317e990ad718f4b2f451b734bb86b67a165 100644
--- a/JAVA/GUI/Plotter/pom.xml
+++ b/JAVA/GUI/Plotter/pom.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<project>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>nl.astron.lofar.gui</groupId>
 	<artifactId>plotter</artifactId>
@@ -11,10 +13,11 @@
 		<name>Astron</name>
 		<url>http://www.astron.nl</url>
 	</organization>
+	
 	<properties>
-            <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-            <project.test.sourceEncoding>UTF-8</project.test.sourceEncoding>
-        </properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<project.test.sourceEncoding>UTF-8</project.test.sourceEncoding>
+	</properties>
 
 	<build>
 
@@ -27,7 +30,7 @@
 					<exclude>**/*.java</exclude>
 				</excludes>
 			</resource>
-			
+
 			<resource>
 				<directory>PlotterConfig/src</directory>
 				<excludes>
@@ -50,4 +53,4 @@
 
 	</build>
 
-</project>
\ No newline at end of file
+</project>