diff --git a/Detectors/TPC/simulation/include/TPCSimulation/Point.h b/Detectors/TPC/simulation/include/TPCSimulation/Point.h
index dd477d1d20c33..1ce7fdc9f1a35 100644
--- a/Detectors/TPC/simulation/include/TPCSimulation/Point.h
+++ b/Detectors/TPC/simulation/include/TPCSimulation/Point.h
@@ -117,7 +117,7 @@ class HitGroup : public o2::BaseHit
 
   ~HitGroup() = default;
 
-  void addHit(float x, float y, float z, float time, short e)
+  void addHit(float x, float y, float z, float time, float e)
   {
 #ifdef HIT_AOS
     mHits.emplace_back(x, y, z, time, e);