diff --git a/Documentation/Examples/vertical_EAS.cc b/Documentation/Examples/vertical_EAS.cc
index 5925841bfd0523b1aec2b52188da0413fd003301..c4fd63e69fa697c5f3602ad73339d851c1e2e600 100644
--- a/Documentation/Examples/vertical_EAS.cc
+++ b/Documentation/Examples/vertical_EAS.cc
@@ -203,8 +203,8 @@ int main(int argc, char** argv) {
                                                        55_GeV);
   auto decaySequence = decayPythia << decaySibyll;
 
-  auto sequence = switchProcess << reset_particle_mass << decaySequence << longprof << eLoss << cut
-                                << observationLevel;
+  auto sequence = switchProcess << reset_particle_mass << decaySequence << longprof
+                                << eLoss << cut << observationLevel;
 
   // define air shower object, run simulation
   tracking_line::TrackingLine tracking;