Fix intermittent bug with undo.

1 files changed, 3 insertions, 3 deletions

diff --git a/rules.js b/rules.js
index e068bbf..9e8cd52 100644
--- a/rules.js
+++ b/rules.js
@@ -79,10 +79,10 @@ function gen_spend_hero_points() {
     }
 }
 function action(state, player, action, arg) {
-    if (action !== 'undo' && state.state !== 'choose_card') {
-        state.undo = push_undo();
-    }
     game = state;
+    if (action !== 'undo' && game.state !== 'choose_card') {
+        push_undo();
+    }
     let S = states[game.state];
     if (action in S)
         S[action](arg, player);