diff --git a/src/parcsr_mv/par_csr_matrix.c b/src/parcsr_mv/par_csr_matrix.c
index bd3f34ed5..76cf58bfc 100644
--- a/src/parcsr_mv/par_csr_matrix.c
+++ b/src/parcsr_mv/par_csr_matrix.c
@@ -500,7 +500,7 @@ hypre_ParCSRMatrixRead( MPI_Comm    comm,
    HYPRE_BigInt         global_num_rows, global_num_cols;
 
    FILE                *fp;
-   char                 new_file_d[80], new_file_o[80], new_file_info[80];
+   char                 new_file_d[256], new_file_o[256], new_file_info[256];
 
    hypre_MPI_Comm_rank(comm, &my_id);
    hypre_MPI_Comm_size(comm, &num_procs);
@@ -587,7 +587,7 @@ hypre_ParCSRMatrixPrint( hypre_ParCSRMatrix *matrix,
    HYPRE_BigInt global_num_cols;
    HYPRE_BigInt *col_map_offd;
    HYPRE_Int  my_id, i, num_procs;
-   char   new_file_d[80], new_file_o[80], new_file_info[80];
+   char   new_file_d[256], new_file_o[256], new_file_info[256];
    FILE *fp;
    HYPRE_Int num_cols_offd = 0;
    HYPRE_BigInt row_s, row_e, col_s, col_e;
diff --git a/src/parcsr_mv/par_vector.c b/src/parcsr_mv/par_vector.c
index 7a934ee4a..c4ca87d05 100644
--- a/src/parcsr_mv/par_vector.c
+++ b/src/parcsr_mv/par_vector.c
@@ -220,7 +220,7 @@ hypre_ParVector*
 hypre_ParVectorRead( MPI_Comm    comm,
                      const char *file_name )
 {
-   char             new_file_name[80];
+   char             new_file_name[256];
    hypre_ParVector *par_vector;
    HYPRE_Int        my_id;
    HYPRE_BigInt     partitioning[2];
@@ -265,7 +265,7 @@ HYPRE_Int
 hypre_ParVectorPrint( hypre_ParVector  *vector,
                       const char       *file_name )
 {
-   char          new_file_name[80];
+   char          new_file_name[256];
    hypre_Vector *local_vector;
    MPI_Comm      comm;
    HYPRE_Int     my_id;