diff --git a/app/config/collections2.php b/app/config/collections2.php
index 57b48da077..8079bdd7c8 100644
--- a/app/config/collections2.php
+++ b/app/config/collections2.php
@@ -269,7 +269,7 @@ $collections = [
                 '$id' => 'type',
                 'type' => Database::VAR_STRING,
                 'format' => '',
-                'size' => 256,
+                'size' => 16,
                 'signed' => true,
                 'required' => false,
                 'default' => null,