diff --git a/src/lagrangian/intermediate/submodels/Kinematic/SurfaceFilmModel/SurfaceFilmModel/SurfaceFilmModel.C b/src/lagrangian/intermediate/submodels/Kinematic/SurfaceFilmModel/SurfaceFilmModel/SurfaceFilmModel.C
index 3bcc6136f5..07ec7cc21e 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/SurfaceFilmModel/SurfaceFilmModel/SurfaceFilmModel.C
+++ b/src/lagrangian/intermediate/submodels/Kinematic/SurfaceFilmModel/SurfaceFilmModel/SurfaceFilmModel.C
@@ -24,8 +24,8 @@ License
 \*---------------------------------------------------------------------------*/
 
 #include "SurfaceFilmModel.H"
-#include "mathematicalConstants.H"
 #include "surfaceFilmModel.H"
+#include "mathematicalConstants.H"
 #include "directMappedWallPolyPatch.H"
 
 using namespace Foam::constant;