diff --git a/webapp/controller/BlockChainController.class.php b/webapp/controller/BlockChainController.class.php
index d067cb3d..5c7fcff8 100644
--- a/webapp/controller/BlockChainController.class.php
+++ b/webapp/controller/BlockChainController.class.php
@@ -216,7 +216,7 @@ class BlockChainController extends BaseAuthedController {
                 'token_ids' => $tokenIds
             ),
             array(
-                'action' => Transaction::EVOLVE_721_ACTION_TYPE,
+                'action' => Transaction::EVOLVE_CHIP_ACTION_TYPE,
                 'tokenId' => $tokenId1,
                 'itemType' => 0,
                 'itemUniId' => 0,