diff --git a/scripts/contrib/build-perf-test-wrapper.sh b/scripts/contrib/build-perf-test-wrapper.sh
index 7788bb1d1a..f192fcfa92 100755
--- a/scripts/contrib/build-perf-test-wrapper.sh
+++ b/scripts/contrib/build-perf-test-wrapper.sh
@@ -44,13 +44,13 @@ while getopts "ha:c:C:w:" opt; do
         h)  usage
             exit 0
             ;;
-        a)  archive_dir=`realpath "$OPTARG"`
+        a)  archive_dir=`realpath -s "$OPTARG"`
             ;;
         c)  commitish=$OPTARG
             ;;
         C)  results_repo=`realpath -s "$OPTARG"`
             ;;
-        w)  base_dir=`realpath "$OPTARG"`
+        w)  base_dir=`realpath -s "$OPTARG"`
             ;;
         *)  usage
             exit 1