Updates (Chiara)

[u/mrichter/AliRoot.git] / STEER / AliLego.cxx

diff --git a/STEER/AliLego.cxx b/STEER/AliLego.cxx
index d638cedf0932b26a362f240aba21aa74b9023c9f..5e5e53563ec6418279bf06ddaf13217498cf8920 100644 (file)
--- a/STEER/AliLego.cxx
+++ b/STEER/AliLego.cxx
@@ -314,7 +314,7 @@ void AliLego::StepManager()
            TClonesArray &lvols = *fVolumesFwd;
            if (fStepsForward > 0) {
                AliDebugVolume* tmp = dynamic_cast<AliDebugVolume*>((*fVolumesFwd)[fStepsForward-1]);
-               if (tmp->IsVEqual(vol, copy) && gMC->IsTrackEntering()) {
+               if (tmp && tmp->IsVEqual(vol, copy) && gMC->IsTrackEntering()) {
                    fStepsForward -= 2;
                    fVolumesFwd->RemoveAt(fStepsForward);
                    fVolumesFwd->RemoveAt(fStepsForward+1);