Index: mitk/Core/Code/IO/mitkPointSetWriter.cpp
===================================================================
--- mitk/Core/Code/IO/mitkPointSetWriter.cpp	(revision 24525)
+++ mitk/Core/Code/IO/mitkPointSetWriter.cpp	(working copy)
@@ -138,9 +138,7 @@
 void mitk::PointSetWriter::WriteXML( mitk::PointSet* pointSet, std::ofstream& out )
 {
     WriteStartElement( XML_POINT_SET, out );
-    mitk::PointSet::PointsContainer* pointsContainer = pointSet->GetPointSet()->GetPoints();
-    mitk::PointSet::PointsContainer::Iterator it;
-    
+
     unsigned int timecount = pointSet->GetTimeSteps();
 
     for(unsigned int i=0; i< timecount; i++)
@@ -151,6 +149,9 @@
       WriteCharacterData( ConvertToString( i ).c_str() , out );
       WriteEndElement( XML_TIME_SERIES_ID, out, false );
 
+      mitk::PointSet::PointsContainer* pointsContainer = pointSet->GetPointSet(i)->GetPoints();
+      mitk::PointSet::PointsContainer::Iterator it;
+
       for ( it = pointsContainer->Begin(); it != pointsContainer->End(); ++it )
       {
           WriteStartElement( XML_POINT, out );