diff --git a/scripts/run-scm/run-mtn b/scripts/run-scm/run-mtn
new file mode 100755
index 0000000..66902a0
--- /dev/null
+++ b/scripts/run-scm/run-mtn
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+umask 0002
+exec /usr/bin/mtn "$@"
+