diff --git a/include/realizations/coastal/SchismFormulation.hpp b/include/realizations/coastal/SchismFormulation.hpp
index 65fc5e3439..83a8cf395c 100644
--- a/include/realizations/coastal/SchismFormulation.hpp
+++ b/include/realizations/coastal/SchismFormulation.hpp
@@ -2,7 +2,7 @@
 
 #include <NGenConfig.h>
 
-#if NGEN_WITH_BMI_FORTRAN
+#if NGEN_WITH_BMI_FORTRAN && NGEN_WITH_MPI
 
 #include <realizations/coastal/CoastalFormulation.hpp>
 #include <bmi/Bmi_Fortran_Adapter.hpp>
@@ -64,4 +64,4 @@ class SchismFormulation : public CoastalFormulation
     std::shared_ptr<data_access::DataProvider<double, MeshPointsSelector>> inflows_boundary_provider_;
 };
 
-#endif // NGEN_WITH_BMI_FORTRAN
+#endif // NGEN_WITH_BMI_FORTRAN && NGEN_WITH_MPI
diff --git a/src/realizations/coastal/SchismFormulation.cpp b/src/realizations/coastal/SchismFormulation.cpp
index a61c77f01b..a10e7210f2 100644
--- a/src/realizations/coastal/SchismFormulation.cpp
+++ b/src/realizations/coastal/SchismFormulation.cpp
@@ -1,6 +1,6 @@
 #include <NGenConfig.h>
 
-#if NGEN_WITH_BMI_FORTRAN
+#if NGEN_WITH_BMI_FORTRAN && NGEN_WITH_MPI
 
 #include <realizations/coastal/SchismFormulation.hpp>
 
@@ -90,4 +90,4 @@ void SchismFormulation::update()
     bmi_->Update();
 }
 
-#endif // NGEN_WITH_BMI_FORTRAN
+#endif // NGEN_WITH_BMI_FORTRAN && NGEN_WITH_MPI