diff --git a/src/lagrangian/intermediate/parcels/Templates/InteractingKinematicParcel/InteractingKinematicParcel.H b/src/lagrangian/intermediate/parcels/Templates/InteractingKinematicParcel/InteractingKinematicParcel.H
index 254a9a80587cb01f2ba44ae091f9b78d664757cf..4eb491957298be6e87ac33abaa7aec702edb7edb 100644
--- a/src/lagrangian/intermediate/parcels/Templates/InteractingKinematicParcel/InteractingKinematicParcel.H
+++ b/src/lagrangian/intermediate/parcels/Templates/InteractingKinematicParcel/InteractingKinematicParcel.H
@@ -49,7 +49,7 @@ SourceFiles
 #include "autoPtr.H"
 #include "interpolationCellPoint.H"
 #include "contiguous.H"
-#include "mathematicalConstants.H"
+#include "mathConstants.H"
 
 #include "InteractingKinematicCloud.H"
 
diff --git a/src/lagrangian/intermediate/parcels/Templates/InteractingKinematicParcel/InteractingKinematicParcelI.H b/src/lagrangian/intermediate/parcels/Templates/InteractingKinematicParcel/InteractingKinematicParcelI.H
index 4a92c8469e4a522373c8a9c93775b761dcd01b65..04c02f65a1f74ef3d47ebb343ccf4032e5446c02 100644
--- a/src/lagrangian/intermediate/parcels/Templates/InteractingKinematicParcel/InteractingKinematicParcelI.H
+++ b/src/lagrangian/intermediate/parcels/Templates/InteractingKinematicParcel/InteractingKinematicParcelI.H
@@ -374,7 +374,7 @@ template <class ParcelType>
 inline Foam::scalar
 Foam::InteractingKinematicParcel<ParcelType>::volume(const scalar d) const
 {
-    return mathematicalConstant::pi/6.0*pow3(d);
+    return constant::math::pi/6.0*pow3(d);
 }
 
 
@@ -404,7 +404,7 @@ template <class ParcelType>
 inline Foam::scalar
 Foam::InteractingKinematicParcel<ParcelType>::areaS(const scalar d) const
 {
-    return mathematicalConstant::pi*d*d;
+    return constant::math::pi*d*d;
 }