Index: ../trunk-jpl/src/c/classes/FemModel.cpp
===================================================================
--- ../trunk-jpl/src/c/classes/FemModel.cpp	(revision 13887)
+++ ../trunk-jpl/src/c/classes/FemModel.cpp	(revision 13888)
@@ -498,7 +498,9 @@
 	xDelete<int>(next);
 
 	/*sum over all cpus*/
+	#ifdef _HAVE_MPI_
 	MPI_Allreduce((void*)connectivity_clone,(void*)all_connectivity_clone,numnodes,MPI_INT,MPI_SUM,IssmComm::GetComm());
+	#endif
 	xDelete<int>(connectivity_clone);
 
 	if(set1enum==FsetEnum){