diff --git a/src/Commands/PermissionSyncCommand.php b/src/Commands/PermissionSyncCommand.php
index 41530ed..524c026 100644
--- a/src/Commands/PermissionSyncCommand.php
+++ b/src/Commands/PermissionSyncCommand.php
@@ -39,6 +39,11 @@ class PermissionSyncCommand extends Command
      */
     protected $policies;
 
+    /**
+     * @var mixed
+     */
+    protected $roleColumn;
+
     /**
      * @var UserRepository
      */