diff --git a/src/Acl.php b/src/Acl.php
index 345d101e..7a271ba4 100644
--- a/src/Acl.php
+++ b/src/Acl.php
@@ -4,7 +4,7 @@
 
 namespace Atk4\Login;
 
-use Atk4\Core\Exception;
+use Atk4\Data\Exception;
 use Atk4\Data\Model;
 
 /**