diff --git a/webapp/controller/HeroController.class.php b/webapp/controller/HeroController.class.php
index 785c855d..982c24a4 100644
--- a/webapp/controller/HeroController.class.php
+++ b/webapp/controller/HeroController.class.php
@@ -411,7 +411,7 @@ class HeroController extends BaseAuthedController {
                     break;
                 }
             }
-            if (!$found) {
+            if ($found) {
                 $this->_rspErr(1, 'hero already upgrading');
                 return;
             }