diff --git a/site/mahjong/guide.html b/site/mahjong/guide.html
index 0609f8f..3133de2 100644
--- a/site/mahjong/guide.html
+++ b/site/mahjong/guide.html
@@ -107,7 +107,7 @@
         <tr>
           <td><code>b</code></td>
           <td>Bonus (flower or season)</td>
-          <td>4</td>
+          <td>2</td>
         </tr>
         <tr>
           <td><code>p</code></td>
diff --git a/site/mahjong/models.js b/site/mahjong/models.js
index d49ee27..6789bc4 100644
--- a/site/mahjong/models.js
+++ b/site/mahjong/models.js
@@ -22,7 +22,7 @@ const scoreTokens = {
     'xkh': 16,
     'pd': 2,
     'pw': 2,
-    'b': 4,
+    'b': 2,
     'p': 1,
     'd': -1,
 }