diff --git a/luci-app-ssr-plus/root/usr/share/shadowsocksr/gen_config.lua b/luci-app-ssr-plus/root/usr/share/shadowsocksr/gen_config.lua
index d082581e91a..a8660dad83c 100755
--- a/luci-app-ssr-plus/root/usr/share/shadowsocksr/gen_config.lua
+++ b/luci-app-ssr-plus/root/usr/share/shadowsocksr/gen_config.lua
@@ -429,7 +429,7 @@ local hysteria = {
 		maxConnReceiveWindow = (server.maxconnreceivewindow and server.maxconnreceivewindow or nil),
 		maxIdleTimeout = (tonumber(server.maxidletimeout) and tonumber(server.maxidletimeout) .. "s" or nil),
 		keepAlivePeriod = (tonumber(server.keepaliveperiod) and tonumber(server.keepaliveperiod) .. "s" or nil),
-		disable_mtu_discovery = (server.disablepathmtudiscovery == "1") and true or false
+		disablePathMTUDiscovery = (server.disablepathmtudiscovery == "1") and true or false
 	} or nil,
 	auth = server.hy2_auth,
 	tls = (server.tls_host) and {