diff --git a/scripts/scripts-library.sh b/scripts/scripts-library.sh
index 59ffc13386..4fa89e7e91 100755
--- a/scripts/scripts-library.sh
+++ b/scripts/scripts-library.sh
@@ -328,7 +328,7 @@ trap "exit_fail ${LINENO} $?" ERR
 ## Determine OS --------------------------------------------------------------
 # Determine the operating system of the base host
 # Adds the $HOST_DISTRO, $HOST_VERSION, and $HOST_CODENAME bash variables.
-eval "$(python $(dirname ${0})/os-detection.py)"
+eval "$(python $(dirname ${BASH_SOURCE})/os-detection.py)"
 echo "Detected ${HOST_DISTRO} ${HOST_VERSION} (codename: ${HOST_CODENAME})"
 
 ## Pre-flight check ----------------------------------------------------------