diff --git a/src/OpenFOAM/primitives/spatialVectorAlgebra/spatialTransform/spatialTransform.H b/src/OpenFOAM/primitives/spatialVectorAlgebra/spatialTransform/spatialTransform.H
index 2d68e321a..77f4946c8 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"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //