diff --git a/docker/fsharp/run.sh b/docker/fsharp/run.sh
index 8bf2b3b..c588ac2 100644
--- a/docker/fsharp/run.sh
+++ b/docker/fsharp/run.sh
@@ -1,2 +1,2 @@
-echo "$1" > program.fsx
-fsharpi --optimize- --exec program.fsx
+echo "$1" > program.fs
+fsharpc --optimize- program.fs >/dev/null && mono program.exe