diff --git a/src/RMGSteppingAction.cc b/src/RMGSteppingAction.cc
index 98b8645e..cfe4aa15 100644
--- a/src/RMGSteppingAction.cc
+++ b/src/RMGSteppingAction.cc
@@ -16,11 +16,11 @@
 #include "RMGSteppingAction.hh"
 
 #include "G4GenericMessenger.hh"
-#include "G4Step.hh"
 #include "G4Ions.hh"
+#include "G4Step.hh"
 
-#include "RMGLog.hh"
 #include "RMGEventAction.hh"
+#include "RMGLog.hh"
 
 RMGSteppingAction::RMGSteppingAction(RMGEventAction* eventaction) : fEventAction(eventaction) {
 
@@ -36,7 +36,8 @@ void RMGSteppingAction::UserSteppingAction(const G4Step* step) {
     auto track = step->GetTrack();
     auto particle_type = track->GetDefinition()->GetParticleType();
 
-    if (particle_type == "nucleus" && track->GetParentID() > 0 && track->GetKineticEnergy() < 0.1*CLHEP::keV) {
+    if (particle_type == "nucleus" && track->GetParentID() > 0 &&
+        track->GetKineticEnergy() < 0.1 * CLHEP::keV) {
       auto ion = static_cast<G4Ions*>(track->GetDefinition());
       double lifetime = ion->GetPDGLifeTime();
       double excitation = ion->GetExcitationEnergy();
@@ -44,7 +45,7 @@ void RMGSteppingAction::UserSteppingAction(const G4Step* step) {
       // inspired by G4RadioactiveDecay::IsApplicable
       if (lifetime > fDaughterKillLifetime && excitation <= 0) {
         RMGLog::OutFormat(RMGLog::debug, "Killing daughter nucleus {} (lifetime={} us)",
-          ion->GetParticleName(), lifetime/CLHEP::us);
+            ion->GetParticleName(), lifetime / CLHEP::us);
 
         // note: UserSteppingAction is not called after step 0. Secondaries might be generated if
         // RadioactiveDecay takes place at step 1.
@@ -60,8 +61,8 @@ void RMGSteppingAction::SetDaughterKillLifetime(double max_lifetime) {
   fDaughterKillLifetime = max_lifetime;
   if (fDaughterKillLifetime > 0) {
     RMGLog::OutFormat(RMGLog::summary,
-      "Enabled killing of daughter nuclei with a lifetime longer than {} us.",
-      fDaughterKillLifetime/CLHEP::us);
+        "Enabled killing of daughter nuclei with a lifetime longer than {} us.",
+        fDaughterKillLifetime / CLHEP::us);
   }
 }
 
@@ -70,9 +71,13 @@ void RMGSteppingAction::DefineCommands() {
   fMessenger = std::make_unique<G4GenericMessenger>(this, "/RMG/Processes/Stepping/",
       "Commands for controlling physics processes");
 
-  fMessenger->DeclareMethodWithUnit("DaughterNucleusMaxLifetime", "us", &RMGSteppingAction::SetDaughterKillLifetime)
-      .SetGuidance("Determines which unstable daughter nuclei will be killed, if they are at rest, depending on their lifetime.")
-      .SetGuidance("This applies to the defined lifetime of the nucleus, and not on the sampled actual halflife of the simulated particle.")
+  fMessenger
+      ->DeclareMethodWithUnit("DaughterNucleusMaxLifetime", "us",
+          &RMGSteppingAction::SetDaughterKillLifetime)
+      .SetGuidance("Determines which unstable daughter nuclei will be killed, if they are at rest, "
+                   "depending on their lifetime.")
+      .SetGuidance("This applies to the defined lifetime of the nucleus, and not on the sampled "
+                   "actual halflife of the simulated particle.")
       .SetGuidance("Set to -1 to disable this feature.")
       .SetParameterName("max_lifetime", false)
       .SetDefaultValue("-1")