diff --git a/plugin/src/config.cpp b/plugin/src/config.cpp
index 1ca4be4..d01ba92 100644
--- a/plugin/src/config.cpp
+++ b/plugin/src/config.cpp
@@ -140,8 +140,9 @@ static WUPSConfigAPICallbackStatus ConfigMenuOpenedCallback(WUPSConfigCategoryHa
 
     {
         uint16_t port = get_console_peertopeer_port();
-        std::string multiplayer_port_text = std::vformat(strings.multiplayer_port_display, std::make_format_args(port));
-        res = network_cat->add(WUPSConfigItemStub::Create(multiplayer_port_text), err);
+        char buffer[256];
+        snprintf(buffer, sizeof(buffer), strings.multiplayer_port_display.data(), port);
+        res = network_cat->add(WUPSConfigItemStub::Create(buffer), err);
         if (!res) return report_error(err);
     }
 
diff --git a/src/lang/en_US.lang b/src/lang/en_US.lang
index 29fb991..7b3cdb9 100644
--- a/src/lang/en_US.lang
+++ b/src/lang/en_US.lang
@@ -8,6 +8,6 @@
 ,.need_menu_action = "From WiiU menu only"
 ,.using_nintendo_network = "Using Nintendo Network"
 ,.using_pretendo_network = "Using Pretendo Network"
-,.multiplayer_port_display = "Using UDP port {} for multiplayer"
+,.multiplayer_port_display = "Using UDP port %hu for multiplayer"
 ,.module_not_found = "Pretendo patch failed - use Aroma Updater to repair (686-1001 Module missing)"
 ,.module_init_not_found = "Pretendo patch failed - use Aroma Updater to repair (686-1002 Module init)"