diff --git a/Processes/Sibyll/code_generator.py b/Processes/Sibyll/code_generator.py
index 77c1f5dd8216ad48ebf5c4aa476ef57695bb7fea..e91c336b070f6f3c3dfae132bdc4d6ca487feff3 100755
--- a/Processes/Sibyll/code_generator.py
+++ b/Processes/Sibyll/code_generator.py
@@ -29,6 +29,7 @@ def read_sibyll_codes(filename, pythia_db):
             if line[0] == '#':
                 continue            
             identifier, sib_code, canInteractFlag, xsType = line.split()
+added pid to sibstack
             try:
                 pythia_db[identifier]["sibyll_code"] = int(sib_code)
                 pythia_db[identifier]["sibyll_canInteract"] = int(canInteractFlag)
diff --git a/Processes/Sibyll/sibyll_codes.dat b/Processes/Sibyll/sibyll_codes.dat
index deacb8dc62a1987da785c3a7a1f0d85569c19fe2..fc8515886b07c5f5a8f7a9307a7f06b88a65366c 100644
--- a/Processes/Sibyll/sibyll_codes.dat
+++ b/Processes/Sibyll/sibyll_codes.dat
@@ -16,7 +16,6 @@ Gamma 1 0 0
 Pi0 6 1 2
 # rho0 could interact but sibyll has no cross section/interaction length. was used for gamma had int
 Rho0 27 0 0
-y
 K0Long 11 1 3
 PiPlus 7 1 2
 PiMinus 8 1 2