diff --git a/src/template/ssh.relay/upgrade.sh b/src/template/ssh.relay/upgrade.sh
index 5bada394..620f6c97 100644
--- a/src/template/ssh.relay/upgrade.sh
+++ b/src/template/ssh.relay/upgrade.sh
@@ -1,3 +1,3 @@
 cd ~/{{.OptionDefault "dream" "contexts"}}
 sleep 3
-source etc/miss.sh
+[ -e etc/miss.sh ] && source etc/miss.sh