diff --git a/protocols/luci-proto-wireguard/luasrc/model/cbi/admin_network/proto_wireguard.lua b/protocols/luci-proto-wireguard/luasrc/model/cbi/admin_network/proto_wireguard.lua
index fa0db3412e..46a8f49d97 100644
--- a/protocols/luci-proto-wireguard/luasrc/model/cbi/admin_network/proto_wireguard.lua
+++ b/protocols/luci-proto-wireguard/luasrc/model/cbi/admin_network/proto_wireguard.lua
@@ -31,7 +31,7 @@ listen_port = section:taboption(
   translate("Optional. UDP port used for outgoing and incoming packets.")
 )
 listen_port.datatype = "port"
-listen_port.placeholder = "51820"
+listen_port.placeholder = translate("random")
 listen_port.optional = true
 
 addresses = section:taboption(