diff --git a/JugReco/src/components/ImagingPixelReco.cpp b/JugReco/src/components/ImagingPixelReco.cpp
index fe77cdb..4dbbd87 100644
--- a/JugReco/src/components/ImagingPixelReco.cpp
+++ b/JugReco/src/components/ImagingPixelReco.cpp
@@ -154,7 +154,7 @@ class ImagingPixelReco : public GaudiAlgorithm {
         pos.x() / m_lUnit, pos.y() / m_lUnit, pos.z() / m_lUnit
       );
 
-      hits.push_back(edm4eic::CalorimeterHit{id,                         // cellID
+      hits.push_back(edm4eic::MutableCalorimeterHit{id,                         // cellID
                                           static_cast<float>(energy), // energy
                                           0,                          // energyError
                                           static_cast<float>(time),   // time