diff --git a/webapp/controller/BigwheelController.class.php b/webapp/controller/BigwheelController.class.php
index ee9c90e0..a6ef1509 100644
--- a/webapp/controller/BigwheelController.class.php
+++ b/webapp/controller/BigwheelController.class.php
@@ -341,7 +341,10 @@ class BigwheelController extends BaseAuthedController {
             'property_chg' => $this->propertyChgService->toDto(),
             'info' => $info
         ));
-        //myself()->_fireEvent('Bigwheel', 'onBuyOk', $info);
+        myself()->_fireEvent('Bigwheel', 'onBuyOk', array(
+            'grid_id' => $gridId,
+            'buy_price' => $gridRef['buy_price'],
+        ));
     }
 
     private function getMidDataKey()
diff --git a/webapp/events/Bigwheel.php b/webapp/events/Bigwheel.php
index 4a63dca0..3774777b 100644
--- a/webapp/events/Bigwheel.php
+++ b/webapp/events/Bigwheel.php
@@ -10,4 +10,8 @@ class Bigwheel
         myself()->_callServiceStatic('BigwheelService', 'onWinPrize', $grid1, $grid2);
     }
 
+    public static function onBuyOk($gridId, $buyPrice)
+    {
+    }
+
 }