--- a/metric-providers/org.ossmeter.metricprovider.generic.numberofactiveusersperdaypernewsgroup/plugin.xml
+++ b/metric-providers/org.ossmeter.metricprovider.generic.numberofactiveusersperdaypernewsgroup/plugin.xml
@@ -1,22 +1,21 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<?eclipse version="3.4"?>
-<plugin>
-   <extension
-         point="com.googlecode.pongo.runtime.osgi">
-         
-	  <class
-            name="org.ossmeter.metricprovider.generic.numberofactiveusersperdaypernewsgroup.model.DailyActiveUsers">
-      </class>
-	  <class
-            name="org.ossmeter.metricprovider.generic.numberofactiveusersperdaypernewsgroup.model.DailyNewsgroupData">
-      </class>
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<?eclipse version="3.4"?><plugin>
    
-   </extension>
-   <extension
-         point="org.ossmeter.platform.metricprovider">
-      <metricProvider
-            provider="org.ossmeter.metricprovider.generic.numberofactiveusersperdaypernewsgroup.NumberOfActiveUsersPerDayPerNewsgroupProvider">
+   <extension point="org.ossmeter.platform.metricprovider">
+      <metricProvider provider="org.ossmeter.metricprovider.generic.numberofactiveusersperdaypernewsgroup.NumberOfActiveUsersPerDayPerNewsgroupProvider">
       </metricProvider>
    </extension>
 
+
+<extension point="com.googlecode.pongo.runtime.osgi">
+    <class name="org.ossmeter.metricprovider.generic.numberofactiveusersperdaypernewsgroup.model.DailyActiveUsers"/>
+    <class name="org.ossmeter.metricprovider.generic.numberofactiveusersperdaypernewsgroup.model.DailyNewsgroupData"/>
+  </extension>
+<extension
+      point="org.ossmeter.platform.client.api.pongoviz">
+   <visualiser
+         metricProviderId="org.ossmeter.metricprovider.generic.numberofactiveusersperdaypernewsgroup"
+         pongoVisualiser="org.ossmeter.metricprovider.generic.numberofactiveusersperdaypernewsgroup.model.DailyActiveUsersViz">
+   </visualiser>
+</extension>
 </plugin>