diff --git a/www/js/interface.js b/www/js/interface.js
index 3c7abf1..2e8ba7b 100644
--- a/www/js/interface.js
+++ b/www/js/interface.js
@@ -391,7 +391,7 @@ const INTERFACE = {
         switch(INTERFACE_DATA.mode) {
             case INTERFACE.Mode.Player: {
                 let b_resign = document.getElementById("button-resign");
-                if(GAME_DATA.state.code == 0 && (GAME_DATA.turn & 1) == INTERFACE_DATA.player) {
+                if(GAME_DATA.state.code != GAME.Const.State.Resign && (GAME_DATA.turn & 1) == INTERFACE_DATA.player) {
                     b_resign.removeAttribute("disabled");
                 } else {
                     b_resign.setAttribute("disabled", "");