diff --git a/src/OpenFOAM/primitives/spatialVectorAlgebra/spatialTransform/spatialTransform.H b/src/OpenFOAM/primitives/spatialVectorAlgebra/spatialTransform/spatialTransform.H
index 2d68e321ae013501d441b14f7933d07463394524..77f4946c8e0b5ce5e5586169d54c50dee99e1c6c 100644
--- a/src/OpenFOAM/primitives/spatialVectorAlgebra/spatialTransform/spatialTransform.H
+++ b/src/OpenFOAM/primitives/spatialVectorAlgebra/spatialTransform/spatialTransform.H
@@ -45,6 +45,7 @@ SourceFiles
 
 #include "tensor.H"
 #include "spatialVector.H"
+#include "spatialTensor.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //