diff --git a/linalg/petsc.cpp b/linalg/petsc.cpp
index fcfdd325f..90eedf042 100644
--- a/linalg/petsc.cpp
+++ b/linalg/petsc.cpp
@@ -1872,8 +1872,13 @@ void PetscSolver::SetPrintLevel(int plev)
          {
             ierr = PetscViewerAndFormatCreate(viewer,PETSC_VIEWER_DEFAULT,&vf);
             PCHKERRQ(viewer,ierr);
+#if PETSC_VERSION_LT(3,15,0)
             ierr = KSPMonitorSet(ksp,(myMonitor)KSPMonitorTrueResidualNorm,vf,
                                  (myPetscFunc)PetscViewerAndFormatDestroy);
+#else
+            ierr = KSPMonitorSet(ksp,(myMonitor)KSPMonitorTrueResidual,vf,
+                                 (myPetscFunc)PetscViewerAndFormatDestroy);
+#endif
             PCHKERRQ(ksp,ierr);
          }
       }
@@ -2887,8 +2892,13 @@ void PetscBDDCSolver::BDDCSolverConstructor(const PetscBDDCSolverParams &opts)
 
                ierr = VecGetArrayRead(pvec_coords,&garray); CCHKERRQ(PETSC_COMM_SELF,ierr);
                ierr = VecGetArray(lvec_coords,&larray); CCHKERRQ(PETSC_COMM_SELF,ierr);
+#if PETSC_VERSION_LT(3,15,0)
                ierr = PetscSFBcastBegin(sf,MPIU_SCALAR,garray,larray); CCHKERRQ(comm,ierr);
                ierr = PetscSFBcastEnd(sf,MPIU_SCALAR,garray,larray); CCHKERRQ(comm,ierr);
+#else
+               ierr = PetscSFBcastBegin(sf,MPIU_SCALAR,garray,larray,MPI_REPLACE); CCHKERRQ(comm,ierr);
+               ierr = PetscSFBcastEnd(sf,MPIU_SCALAR,garray,larray,MPI_REPLACE); CCHKERRQ(comm,ierr);
+#endif
                ierr = VecRestoreArrayRead(pvec_coords,&garray); CCHKERRQ(PETSC_COMM_SELF,ierr);
                ierr = VecRestoreArray(lvec_coords,&larray); CCHKERRQ(PETSC_COMM_SELF,ierr);
             }