diff --git a/README.md b/README.md
index 7734fa1..dd3cc7d 100644
--- a/README.md
+++ b/README.md
@@ -22,9 +22,9 @@ $ source benchmark.env
 
 To obtain all input data required to execute this benchmark, please [email](mailto:dan.sun@agresearch.co.nz) a Linux system administrator in AgResearch Ltd and ask for access to the [Globus share](https://app.globus.org/file-manager?origin_id=8d37b9ec-9ea1-11e9-a378-0a2653bc2660&origin_path=%2F) to download the input data via Globus.
 
-The input data is packaged in a tarball.  Please place the downloaded tarball in the root directory of the benchmark suite and then use the following command to extract data from the tarball:
+The input data is packaged in a tarball (`benchmark_input_data.20190913.taz`).  Please place the downloaded tarball in the root directory of the benchmark suite and then use the following command to extract data from the tarball:
 
 ```
 $ cd $BENCHMARK_ROOT
-$ tar xzf benchmark_input_data.taz
+$ tar xzf benchmark_input_data.20190913.taz
 ```
diff --git a/benchmark.env b/benchmark.env
index 6f66dc8..33999af 100644
--- a/benchmark.env
+++ b/benchmark.env
@@ -48,5 +48,7 @@ BWA_BLAST_CONDA_ENV_SPEC=$BENCHMARK_SOURCE/workflow/bwa-blast/bwa-blast-conda-en
 BWA_THREADS=16
 SAMTOOLS_THREADS=16
 BLAST_THREADS=16
+BLASTDB=$INPUT_DATA_ROOT_DIR/blast-bwa/blastdata
 export BWA_BLAST_CONDA_ENV
 export BWA_BLASTCONDA_ENV_SPEC
+export BLASTDB