diff --git a/linux/make_artifacts.sh b/linux/make_artifacts.sh
index 43002218e..043b3f9f2 100644
--- a/linux/make_artifacts.sh
+++ b/linux/make_artifacts.sh
@@ -11,7 +11,8 @@ esac
 
 ARTIFACTS="${ARTIFACTS:-/artifacts}"
 
-rm $ARTIFACTS/*
+# This is our sentinel that tells us when we're done.
+rm -f $ARTIFACTS/DONE
 
 clean_up() {
   echo "All done!" > "$ARTIFACTS/DONE"