diff --git a/src/main/java/net/sf/mzmine/modules/projectmethods/projectload/version_2_0/PeakListOpenHandler_2_0.java b/src/main/java/net/sf/mzmine/modules/projectmethods/projectload/version_2_0/PeakListOpenHandler_2_0.java
index 31959b1e1..595b95333 100644
--- a/src/main/java/net/sf/mzmine/modules/projectmethods/projectload/version_2_0/PeakListOpenHandler_2_0.java
+++ b/src/main/java/net/sf/mzmine/modules/projectmethods/projectload/version_2_0/PeakListOpenHandler_2_0.java
@@ -63,7 +63,7 @@ public class PeakListOpenHandler_2_0 extends DefaultHandler implements PeakListO
   private double mass, rt, area;
   private int[] scanNumbers;
   private int[] allMS2FragmentScanNumbers;
-  private Vector<Integer> currentAllMS2FragmentScans;
+  private Vector<Integer> currentAllMS2FragmentScans = new Vector<Integer>();
   private double height;
   private double[] masses, intensities;
   private String peakStatus, peakListName, name, identityPropertyName, rawDataFileID;