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--- a/metric-providers/org.ossmeter.metricprovider.historic.numberofcommitters/plugin.xml
+++ b/metric-providers/org.ossmeter.metricprovider.historic.numberofcommitters/plugin.xml
@@ -1,12 +1,11 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <plugin>
-  <extension point="com.googlecode.pongo.runtime.osgi">
+  
+  <extension point="org.ossmeter.platform.metricprovider">
+     <metricProvider provider="org.ossmeter.metricprovider.historic.numberofcommitters.model.CommittersOverTime">
+     </metricProvider>
+  </extension>
+<extension point="com.googlecode.pongo.runtime.osgi">
     <class name="org.ossmeter.metricprovider.historic.numberofcommitters.model.Committers"/>
   </extension>
-  <extension
-        point="org.ossmeter.platform.metricprovider">
-     <metricProvider
-           provider="org.ossmeter.metricprovider.historic.numberofcommitters.model.CommittersOverTime">
-     </metricProvider>
-  </extension>
 </plugin>