diff --git a/DDG4/plugins/Geant4TrackerWeightedSD.cpp b/DDG4/plugins/Geant4TrackerWeightedSD.cpp
index 7f3e05c8d78ea7c1dde1093543d1e5f4a0b73d9a..d965d06900c8a5f3eed3b35f020ebedbedeabd35 100644
--- a/DDG4/plugins/Geant4TrackerWeightedSD.cpp
+++ b/DDG4/plugins/Geant4TrackerWeightedSD.cpp
@@ -347,7 +347,7 @@ namespace DD4hep {
 
     /// Initialization overload for specialization
     template <> void Geant4SensitiveAction<TrackerWeighted>::initialize() {
-      declareProperty("HitPostionCombination", m_userData.hit_position_type);
+      declareProperty("HitPositionCombination", m_userData.hit_position_type);
       declareProperty("CollectSingleDeposits", m_userData.single_deposit_mode);
       m_userData.e_cut = m_sensitive.energyCutoff();
       m_userData.sensitive = this;