diff --git a/Simulation/DetSimCore/src/DetSimAlg.cpp b/Simulation/DetSimCore/src/DetSimAlg.cpp
index ae8d550681e3a36d15f846bc7053235543a86e22..29e32f62b86866fd7d5d575dc500e0c579e6c547 100644
--- a/Simulation/DetSimCore/src/DetSimAlg.cpp
+++ b/Simulation/DetSimCore/src/DetSimAlg.cpp
@@ -39,7 +39,7 @@ DetSimAlg::initialize() {
 
     info() << "Random Seed is initialized to "
            << G4Random::getTheSeed()
-           << " in Geant4" << std::endl;
+           << " in Geant4" << endmsg;
 
     m_detsimsvc = service("DetSimSvc");
     if (!m_detsimsvc) {