diff --git a/samples/advanced/pdegen/runs/amg_pde3d.inp b/samples/advanced/pdegen/runs/amg_pde3d.inp
index faaae6b5..b2d37cc6 100644
--- a/samples/advanced/pdegen/runs/amg_pde3d.inp
+++ b/samples/advanced/pdegen/runs/amg_pde3d.inp
@@ -9,8 +9,8 @@ CG                          ! Iterative method: BiCGSTAB BiCGSTABL BiCG CG CGS F
 30                          ! IRST (restart for RGMRES and BiCGSTABL)
 1.d-6                       ! EPS
 %%%%%%%%%%%  Main preconditioner choices %%%%%%%%%%%%%%%%
-ML-VBM-VCYCLE-FBGS-D-BJAC       ! Longer descriptive name for preconditioner (up to 20 chars)
-L1-JACOBI                   ! Preconditioner type: NONE JACOBI GS FBGS BJAC AS ML
+ML-VBM-VCYCLE-FBGS-D-BJAC   ! Longer descriptive name for preconditioner (up to 20 chars)
+ML                          ! Preconditioner type: NONE JACOBI GS FBGS BJAC AS ML
 %%%%%%%%%%%  First smoother (for all levels but coarsest) %%%%%%%%%%%%%%%%
 L1-JACOBI                   ! Smoother type JACOBI FBGS GS BWGS BJAC AS. For 1-level, repeats previous.
 4                           ! Number of sweeps for smoother