diff --git a/lxc/executors/python3 b/lxc/executors/python3
index 935aa3d..0749d88 100755
--- a/lxc/executors/python3
+++ b/lxc/executors/python3
@@ -1,2 +1,2 @@
 cd /tmp/$2
-runuser runner$1 -c "cd /tmp/$2 ; timeout -s KILL 3 python3.8 code.code <<< args.args"
+runuser runner$1 -c "cd /tmp/$2 ; cat args.args | xargs -d '\n' timeout -s KILL 3 python3.8 code.code"