diff --git a/src/core/captchaserver.js b/src/core/captchaserver.js
index 236dc54..91213c6 100644
--- a/src/core/captchaserver.js
+++ b/src/core/captchaserver.js
@@ -62,6 +62,7 @@ function clearOldQueue() {
         // nothing
       }
     });
+    captchaQueue.length = 0;
   }
 }