diff --git a/nas_halt b/nas_halt
index 42db789..c968192 100755
--- a/nas_halt
+++ b/nas_halt
@@ -1,3 +1,8 @@
 #!/bin/bash
 #
-ssh nas sudo /usr/sbin/shutdown -P 5
+if [ $# == 0 ]
+then
+    ssh nas sudo /usr/sbin/shutdown -P 5
+else
+    ssh nas sudo /usr/sbin/shutdown -P $1
+fi