diff --git a/DD4hepTutorials/sdaction/src/simplecaloSDAction.cpp b/DD4hepTutorials/sdaction/src/simplecaloSDAction.cpp
index 838e925..09e33f0 100644
--- a/DD4hepTutorials/sdaction/src/simplecaloSDAction.cpp
+++ b/DD4hepTutorials/sdaction/src/simplecaloSDAction.cpp
@@ -52,6 +52,7 @@ namespace sim {
   template <>
   void Geant4SensitiveAction<simplecaloSDData>::initialize() {
     m_userData.sensitive = this;
+    m_hitCreationMode = HitCreationFlags::DETAILED_MODE;
   }
 
   // Function template specialization of Geant4SensitiveAction class.