diff --git a/click/models/ValidationError.php b/click/models/ValidationError.php
index 51804c3..6e93ae4 100644
--- a/click/models/ValidationError.php
+++ b/click/models/ValidationError.php
@@ -35,5 +35,5 @@ class ValidationError {
 
     const REQUEST_ERROR = -8;
 
-    const TRANSACTION_CANCELLED = -8;
-}
\ No newline at end of file
+    const TRANSACTION_CANCELLED = -9;
+}