diff --git a/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/KinematicParcelIO.C b/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/KinematicParcelIO.C
index 98ecd22675..b000ed0237 100644
--- a/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/KinematicParcelIO.C
+++ b/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/KinematicParcelIO.C
@@ -203,7 +203,7 @@ Foam::Ostream& Foam::operator<<
         os  << static_cast<const Particle<ParcelType>& >(p);
         os.write
         (
-            reinterpret_cast<const char*>(p.typeId()),
+            reinterpret_cast<const char*>(&p.typeId_),
             sizeof(p.typeId())
           + sizeof(p.d())
           + sizeof(p.U())
diff --git a/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcelIO.C b/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcelIO.C
index ae0dcd0573..b1797b97de 100644
--- a/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcelIO.C
+++ b/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcelIO.C
@@ -297,10 +297,7 @@ Foam::Ostream& Foam::operator<<
         os  << static_cast<const ThermoParcel<ParcelType>& >(p);
         os.write
         (
-            reinterpret_cast<const char*>
-            (
-                &const_cast<ReactingParcel<ParcelType>&>(p).mass0()
-            ),
+            reinterpret_cast<const char*>(&p.mass0_),
             sizeof(p.mass0())
         );
         os << p.YMixture() << YGasLoc << YLiquidLoc << YSolidLoc;
diff --git a/src/lagrangian/intermediate/parcels/Templates/ThermoParcel/ThermoParcelIO.C b/src/lagrangian/intermediate/parcels/Templates/ThermoParcel/ThermoParcelIO.C
index 04d444e6bb..d0242e5e51 100644
--- a/src/lagrangian/intermediate/parcels/Templates/ThermoParcel/ThermoParcelIO.C
+++ b/src/lagrangian/intermediate/parcels/Templates/ThermoParcel/ThermoParcelIO.C
@@ -149,10 +149,7 @@ Foam::Ostream& Foam::operator<<
         os  << static_cast<const KinematicParcel<ParcelType>& >(p);
         os.write
         (
-            reinterpret_cast<const char*>
-            (
-                &const_cast<ThermoParcel<ParcelType>&>(p).T()
-            ),
+            reinterpret_cast<const char*>(&p.T_),
             sizeof(p.T()) + sizeof(p.cp())
         );
     }