--- erdecks/eustep.F_old	2012-05-29 14:55:38.490000649 +0200
+++ erdecks/eustep.F	2012-05-29 15:02:38.744000650 +0200
@@ -167,6 +167,8 @@
                CALL UCOPY(P3,P2,3)
                CALL UCOPY(VECT,P3,3)
                ICONT = 0
+               ISTOP = 1
+               ICLOSE = 0
             ENDIF
          ENDIF
          
@@ -204,6 +206,8 @@
                CALL UCOPY(P3,P2,3)
                CALL UCOPY(VECT,P3,3)
                ICONT = 0
+               ISTOP = 1
+               ICLOSE = 0
             ENDIF
          ENDIF
       ENDIF
--- TGeant3/TGeant3gu.cxx_old	2012-05-29 14:55:39.038000648 +0200
+++ TGeant3/TGeant3gu.cxx	2012-05-29 14:59:00.198000645 +0200
@@ -696,7 +696,9 @@
             for(Int_t i=0; i<3; i++)geant3->Gcmore()->p2[i] = geant3->Gcmore()->p3[i];  //call ucopy(p3,p2,3)
             for(Int_t i=0; i<3; i++)geant3->Gcmore()->p3[i] = geant3->Gctrak()->vect[i]; //call ucopy(vect,p3,3)
             icont = 0;
-         }
+       	    geant3->StopTrack();
+	    geant3->Gcmore()->iclose = 0;
+	 }
       }
    }else if(cflag==2) {
    //   printf("geant3->Gconst()->big = %F" ,geant3->Gconst());
@@ -745,6 +747,8 @@
             for(Int_t i=0; i<3; i++)geant3->Gcmore()->p2[i] = geant3->Gcmore()->p3[i];  //call ucopy(p3,p2,3)
             for(Int_t i=0; i<3; i++)geant3->Gcmore()->p3[i] = geant3->Gctrak()->vect[i]; //call ucopy(vect,p3,3)
             icont = 0;
+ 	    geant3->StopTrack();
+	    geant3->Gcmore()->iclose = 0;
          }
       }
    }