diff --git a/corsika/detail/modules/OnShellCheck.inl b/corsika/detail/modules/OnShellCheck.inl
index 438c5ad61c092ddd25a308673670bf3e4dc9d5a0..aa6b0453fb24400246c96de206fa415dd0ade7cb 100644
--- a/corsika/detail/modules/OnShellCheck.inl
+++ b/corsika/detail/modules/OnShellCheck.inl
@@ -78,7 +78,7 @@ namespace corsika {
         // reset energy
         p.setEnergy(e_shifted);
       } else
-        CORSIKA_LOGGER_DEBUG(logger_, "OnShellCheck: particle mass for {} OK", pid);
+        CORSIKA_LOGGER_DEBUG(logger_, "particle mass for {} OK", pid);
     }
   }
 
diff --git a/corsika/modules/OnShellCheck.hpp b/corsika/modules/OnShellCheck.hpp
index 8be54336fb19acf661c18badcfb97fdc338f59bb..e9589b935964a27c7b194c305269dc3bbb10114b 100644
--- a/corsika/modules/OnShellCheck.hpp
+++ b/corsika/modules/OnShellCheck.hpp
@@ -31,7 +31,7 @@ namespace corsika {
     double average_shift_ = 0;
     double max_shift_ = 0;
     double count_ = 0;
-    std::shared_ptr<spdlog::logger> logger_ = get_logger("on_shell_check");
+    std::shared_ptr<spdlog::logger> logger_ = get_logger("on_shell_check_OnShellCheck");
     double mass_tolerance_;
     double energy_tolerance_;
     bool throw_error_;