diff --git a/corsika/detail/modules/energy_loss/BetheBlochPDG.inl b/corsika/detail/modules/energy_loss/BetheBlochPDG.inl
index ccacc0ddc595a01cef9f3880c0469febc8bb2b33..fed757cd46b9c2e60b1ed64c3078a41ce27c9999 100644
--- a/corsika/detail/modules/energy_loss/BetheBlochPDG.inl
+++ b/corsika/detail/modules/energy_loss/BetheBlochPDG.inl
@@ -163,7 +163,7 @@ namespace corsika {
     //    if (dE > HEPEnergyType::zero())
     //      dE = -dE;
     CORSIKA_LOG_TRACE("EnergyLoss  dE={} MeV, Ekin={} GeV, EkinNew={} GeV", dE / 1_MeV,
-                      step.getEkinPre() / 1_GeV, step.getEkinPre() + dE / 1_GeV);
+                      step.getEkinPre() / 1_GeV, (step.getEkinPre() + dE) / 1_GeV);
     step.add_dEkin(dE);
 
     // also send to output
diff --git a/corsika/modules/writers/EnergyLossWriter.hpp b/corsika/modules/writers/EnergyLossWriter.hpp
index b516ab6260be34af1a4109c38f51be195d69a76d..c247b424ec150b78d81f23d8d78e82cc94229df5 100644
--- a/corsika/modules/writers/EnergyLossWriter.hpp
+++ b/corsika/modules/writers/EnergyLossWriter.hpp
@@ -156,7 +156,7 @@ namespace corsika {
     /**
      * Return the configuration of this output.
      */
-    YAML::Node getConfig() const;
+    YAML::Node getConfig() const override;
 
   private:
     ShowerAxis const& showerAxis_; ///< conversion between geometry and grammage
diff --git a/corsika/modules/writers/LongitudinalWriter.hpp b/corsika/modules/writers/LongitudinalWriter.hpp
index caa49f9af587ec6595872dacb59f16e0a2b74497..0d6eb282284a733788223bcde3d7608c6fc02358 100644
--- a/corsika/modules/writers/LongitudinalWriter.hpp
+++ b/corsika/modules/writers/LongitudinalWriter.hpp
@@ -122,12 +122,12 @@ namespace corsika {
     /**
      * Return a summary.
      */
-    YAML::Node getSummary() const;
+    YAML::Node getSummary() const override;
 
     /**
      * Return the configuration of this output.
      */
-    YAML::Node getConfig() const;
+    YAML::Node getConfig() const override;
 
     number_profile::ProfileData const& getProfile(
         number_profile::ProfileIndex index) const {
diff --git a/corsika/modules/writers/WriterOff.hpp b/corsika/modules/writers/WriterOff.hpp
index 3d752cc9a80de7a85b0705c3d6dac9dac9d8722d..da418d54dd3abc6ba3f70b2f0bc8d247cd4857c7 100644
--- a/corsika/modules/writers/WriterOff.hpp
+++ b/corsika/modules/writers/WriterOff.hpp
@@ -43,7 +43,7 @@ namespace corsika {
     template <typename... TArgs>
     void write(TArgs&&...) {}
 
-    virtual YAML::Node getConfig() const { return YAML::Node(); }
+    virtual YAML::Node getConfig() const override { return YAML::Node(); }
 
   }; // class WriterOff