diff --git a/tests/benchmark/run.sh b/tests/benchmark/run.sh
index 92cb043da..ef4ca038d 100755
--- a/tests/benchmark/run.sh
+++ b/tests/benchmark/run.sh
@@ -7,7 +7,7 @@ set -e
 
 repeat=${1:-1}  # how many times we want to repeat each DAG run (default: 1)
 
-benchmark_dir=`dirname "$0"`
+benchmark_dir="$( cd -- "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )"
 config_path="${benchmark_dir}/config.json"
 runner_path="${benchmark_dir}/run.py"
 astro_dir="${benchmark_dir}/../../src"