diff --git a/PYTHIA8/AliPythia8/AliDecayerPythia8.cxx b/PYTHIA8/AliPythia8/AliDecayerPythia8.cxx
index ab506320e12..39ece6e02b0 100644
--- a/PYTHIA8/AliPythia8/AliDecayerPythia8.cxx
+++ b/PYTHIA8/AliPythia8/AliDecayerPythia8.cxx
@@ -813,7 +813,13 @@ void AliDecayerPythia8::ForceHadronicD(Int_t optUse4Bodies, Int_t optUseDtoV0, I
     }
 
     if (optForceLcChannel == 2) { // force only Lc -> p K0S
-    fPythia8->ReadString("4122:onIfMatch = 2212 311");
+      fPythia8->ReadString("4122:onIfMatch = 2212 311");
+      // for K0 -> K0s
+      fPythia8->ReadString("311:onMode = off");
+      fPythia8->ReadString("311:onIfAll = 310");
+      // for K0s -> pi+pi-
+      fPythia8->ReadString("310:onMode = off");
+      fPythia8->ReadString("310:onIfAll = 211 211");
     }
 
     // Xic+ -> pK*0