diff --git a/pom.xml b/pom.xml
index 7125880e14ca13a38be6e86f009b50e91ca55cf1..05b2cd9ed7382a09dc3f75fba2365d0799fdfc53 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,16 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <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/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>it.inaf.ia2</groupId>
-    <artifactId>vospace-parent-classes</artifactId>
     <parent>
         <groupId>it.inaf.ia2</groupId>
         <artifactId>vospace-parent</artifactId>
         <version>${revision}</version>
         <relativePath />
     </parent>
-
-    <version>${revision}</version>
+    
+    <groupId>it.inaf.ia2</groupId>
+    <artifactId>vospace-parent-classes</artifactId>
     <packaging>jar</packaging>
     
     <properties>