diff --git a/scripts/python/test-all.sh b/scripts/python/test-all.sh
old mode 100644
new mode 100755
index 77cb2eb..8308965
--- a/scripts/python/test-all.sh
+++ b/scripts/python/test-all.sh
@@ -1 +1,2 @@
-python3 -m unittest discover
+#! /bin/sh
+python3 -m unittest discover "$@"