diff --git a/AMDiS/src/parallel/PetscSolverGlobalMatrix.cc b/AMDiS/src/parallel/PetscSolverGlobalMatrix.cc
index 7c84020fcf783d0fd60f76b0ee8abdab8e024430..27e48d0300f2ffda0716569a6ae7bebd6b6c8327 100644
--- a/AMDiS/src/parallel/PetscSolverGlobalMatrix.cc
+++ b/AMDiS/src/parallel/PetscSolverGlobalMatrix.cc
@@ -71,8 +71,10 @@ namespace AMDiS {
     // === Create PETSc matrix with the computed nnz data structure. ===
 
     MatCreateAIJ(mpiCommGlobal, nRankRows, nRankRows, 
- 		    nOverallRows, nOverallRows,
-		    0, d_nnz, 0, o_nnz, &matIntInt);
+		 nOverallRows, nOverallRows,
+		 0, d_nnz, 0, o_nnz, &matIntInt);
+
+    MatSetOption(matIntInt, MAT_NEW_NONZERO_ALLOCATION_ERR, PETSC_FALSE);
 
 #if (DEBUG != 0)
     MSG("Fill petsc matrix 1 needed %.5f seconds\n", MPI::Wtime() - wtime);