diff --git a/Documentation/Examples/cascade_example.cc b/Documentation/Examples/cascade_example.cc
index e49a41e3e71d7d7a4cf2c0eb6acd11ae428a7af8..3f2e264bc5e0690ed58b660ef1c02180e4c5f96f 100644
--- a/Documentation/Examples/cascade_example.cc
+++ b/Documentation/Examples/cascade_example.cc
@@ -245,7 +245,7 @@ int main() {
   // setup particle stack, and add primary particle
   setup::Stack stack;
   stack.Clear();
-  const HEPEnergyType E0 = 1000_TeV;
+  const HEPEnergyType E0 = 100_TeV; // 1_PeV crashes with bad COMboost in second interaction (crash later)
   double theta = 0.;
   double phi = 0.;
   {