diff --git a/src/message_passing.F90 b/src/message_passing.F90
index eb1467b42f..75d0bd301f 100644
--- a/src/message_passing.F90
+++ b/src/message_passing.F90
@@ -1,9 +1,11 @@
 module message_passing
 
+#ifdef MPI
 #ifdef MPIF08
   use mpi_f08
 #else
   use mpi
 #endif
+#endif
 
 end module message_passing