diff --git a/package/gluon-web-admin/luasrc/lib/gluon/config-mode/model/admin/remote.lua b/package/gluon-web-admin/luasrc/lib/gluon/config-mode/model/admin/remote.lua
index 032607a1..ca68cf2b 100644
--- a/package/gluon-web-admin/luasrc/lib/gluon/config-mode/model/admin/remote.lua
+++ b/package/gluon-web-admin/luasrc/lib/gluon/config-mode/model/admin/remote.lua
@@ -81,7 +81,7 @@ local function set_password(password)
 			 stderr = sp.DEVNULL}
 
 	local pid, pipe = sp.popen('passwd', {}, options)
-	local inw = pipe["stdin"]
+	local inw = pipe.stdin
 
 	unistd.write(inw, string.format('%s\n%s\n', password, password))
 	unistd.close(inw)