diff --git a/pre-inst.sh b/pre-inst.sh
index c4e355d..39a6193 100755
--- a/pre-inst.sh
+++ b/pre-inst.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 set -euo pipefail
 
-BASEDIR="$(dirname "${0}" | sed "s|^\.|${PWD}|")"
+baseDir="$(realpath "$(dirname "${0}")")"
 
 printf \
 	'\033[?47l\012'