diff --git a/shortcut.lua b/shortcut.lua
index 5751732..96c9ba4 100644
--- a/shortcut.lua
+++ b/shortcut.lua
@@ -11,9 +11,13 @@ if args[1] == "-h" then
     print(helpText)
     return
 elseif args[1] == "update" then
+    if #args == 2 then
+        os.execute("/usr/PowerManager/updater.lua "..args[2])
+        return
+    end
     os.execute("/usr/PowerManager/updater.lua -a")
     return
 else
-    print('"'..args[1]..'" - Bad argument. you can use: powerman update')
+    print('"'..args[1]..'" - Bad argument. you can use: powerman update <argument>')
     return
 end
\ No newline at end of file