diff --git a/sim/transport/steer/CbmGeant4Settings.h b/sim/transport/steer/CbmGeant4Settings.h
index 9c1082df41432964f1b6b6fb791b892cdfb6cb8e..98b2e11c7d0396ae9f9fd6f8c94ef65a43994ad7 100644
--- a/sim/transport/steer/CbmGeant4Settings.h
+++ b/sim/transport/steer/CbmGeant4Settings.h
@@ -25,7 +25,7 @@
 class TVirtualMC;
 
 class CbmGeant4Settings : public CbmVMCSettings {
-public:
+ public:
   CbmGeant4Settings()                         = default;
   ~CbmGeant4Settings()                        = default;
   CbmGeant4Settings(const CbmGeant4Settings&) = delete;
@@ -94,25 +94,25 @@ public:
    **/
   Int_t GetMaximumNumberOfSteps() { return fMaxNumSteps; }
 
-private:
-  std::array<std::string, 3> fG4RunConfig {{"geomRoot", "QGSP_BERT_EMV+optical", "stepLimiter+specialCuts"}};
+ private:
+  std::array<std::string, 3> fG4RunConfig{{"geomRoot", "QGSP_BERT_EMV+optical", "stepLimiter+specialCuts"}};
 
   /*
   See https://redmine.cbm.gsi.de/issues/2913
   As of Geant4-10.5 these commands were changed.
   Tested for Geant4-11
   */
-  std::vector<std::string> fG4Commands {"/process/optical/verbose 0",
-                                        "/process/optical/cerenkov/setMaxPhotons 20",
-                                        "/process/optical/cerenkov/setMaxBetaChange 0.1",
-                                        "/process/optical/cerenkov/setTrackSecondariesFirst true",
-                                        "/process/optical/processActivation Cerenkov true",
-                                        "/process/optical/processActivation OpAbsorption true",
-                                        "/process/optical/processActivation OpBoundary true"};
+  std::vector<std::string> fG4Commands{"/process/optical/verbose 0",
+                                       "/process/optical/cerenkov/setMaxPhotons 20",
+                                       "/process/optical/cerenkov/setMaxBetaChange 0.1",
+                                       "/process/optical/cerenkov/setTrackSecondariesFirst true",
+                                       "/process/optical/processActivation Cerenkov true",
+                                       "/process/optical/processActivation OpAbsorption true",
+                                       "/process/optical/processActivation OpBoundary true"};
 
-  Int_t fMaxNumSteps {10000};
+  Int_t fMaxNumSteps{10000};
 
-  Int_t fRandomSeed {0};
+  Int_t fRandomSeed{0};
 
   ClassDef(CbmGeant4Settings, 4);
 };