X-Git-Url: http://git.uio.no/git/?p=u%2Fmrichter%2FAliRoot.git;a=blobdiff_plain;f=STEER%2FAliGenEventHeader.cxx;h=1ff582f2143f08294d60cd9834a923adeb4fb27d;hp=16a7ecabf3d02617c121d8d53e9340ac2eca9045;hb=674e34cca7987c3a6c300847f1133834376266c4;hpb=fd1065a107a9fc676def9a6c1a32efd8b59f7066

diff --git a/STEER/AliGenEventHeader.cxx b/STEER/AliGenEventHeader.cxx
index 16a7ecabf3d..1ff582f2143 100644
--- a/STEER/AliGenEventHeader.cxx
+++ b/STEER/AliGenEventHeader.cxx
@@ -65,6 +65,7 @@ void  AliGenEventHeader::PrimaryVertex(TArrayF &o) const
     //
     // Return the primary vertex for the event
     //
+    o.Set(3);
     o[0] = fVertex.At(0);
     o[1] = fVertex.At(1);
     o[2] = fVertex.At(2);