diff --git a/src/modules/AlignmentTrackChi2/AlignmentTrackChi2.cpp b/src/modules/AlignmentTrackChi2/AlignmentTrackChi2.cpp index ac5027981bbf96e3ec9875366816b0dbc83294e3..cf6f9cd20663f6c26583e63817528c524fbd14e8 100644 --- a/src/modules/AlignmentTrackChi2/AlignmentTrackChi2.cpp +++ b/src/modules/AlignmentTrackChi2/AlignmentTrackChi2.cpp @@ -147,8 +147,15 @@ void AlignmentTrackChi2::MinimiseTrackChi2(Int_t&, Double_t*, Double_t& result, track->fit(); - // Add the new chi2 - return track->getChi2(); + // check if the fit has failed + if(!track->isFitted()) { + LOG(WARNING) << "Refit failed - track will be discarded for this alignment step "; + return 0.0; + } + else { + // add the new chi2 + return track->getChi2(); + } }; // Loop over all tracks