Additional protection

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

diff --git a/STEER/AliVertexerTracks.cxx b/STEER/AliVertexerTracks.cxx
index 0c9822f1db3bed2a586aaffa1961a15788751e93..511ce4b30409e06f9440b7c31804855410b6e4b8 100644 (file)
--- a/STEER/AliVertexerTracks.cxx
+++ b/STEER/AliVertexerTracks.cxx
@@ -797,7 +797,8 @@ AliESDVertex AliVertexerTracks::TrackletVertexFinder(TClonesArray *lines, Int_t
   }
 
   for(Int_t i=0; i<knacc; i++){
-    AliStrLine* line1 = (AliStrLine*)lines->At(i); 
+    AliStrLine* line1 = (AliStrLine*)lines->At(i);
+    if (!line1) continue;
     Double_t p0[3],cd[3],sigmasq[3];
     Double_t wmat[9];
     line1->GetP0(p0);