diff --git a/amgprec/impl/aggregator/MatchBoxPC.h b/amgprec/impl/aggregator/MatchBoxPC.h
index 73908b9b..ba7cb5c8 100644
--- a/amgprec/impl/aggregator/MatchBoxPC.h
+++ b/amgprec/impl/aggregator/MatchBoxPC.h
@@ -157,8 +157,7 @@ inline MilanLongInt firstComputeCandidateMate(MilanLongInt adj1,
                                               MilanLongInt* verLocInd,
                                               MilanReal* edgeLocWeight);
 
-inline bool isAlreadyMatched(MilanLongInt k,
-                                MilanLongInt* verLocInd,
+inline bool isAlreadyMatched(MilanLongInt node,
                                 MilanLongInt StartIndex,
                                 MilanLongInt EndIndex,
                                 vector <MilanLongInt> &GMate,
diff --git a/samples/advanced/pdegen/runs/amg_pde3d.inp b/samples/advanced/pdegen/runs/amg_pde3d.inp
index eb254780..bdacc992 100644
--- a/samples/advanced/pdegen/runs/amg_pde3d.inp
+++ b/samples/advanced/pdegen/runs/amg_pde3d.inp
@@ -1,6 +1,6 @@
 %%%%%%%%%%%  General  arguments % Lines starting with % are ignored.
 CSR                         ! Storage format CSR COO JAD
-0080                        ! IDIM; domain size. Linear system size is IDIM**3
+0123                        ! IDIM; domain size. Linear system size is IDIM**3
 CONST                       ! PDECOEFF: CONST, EXP, GAUSS Coefficients of the PDE
 BICGSTAB                    ! Iterative method: BiCGSTAB BiCGSTABL BiCG CG CGS FCG GCR RGMRES
 2                           ! ISTOPC