diff --git a/app/config/collections2.php b/app/config/collections2.php
index aecfd4a400..91f5f35cbe 100644
--- a/app/config/collections2.php
+++ b/app/config/collections2.php
@@ -313,7 +313,7 @@ $collections = [
                 '$id' => 'orders',
                 'type' => Database::VAR_STRING,
                 'format' => '',
-                'size' => 255,
+                'size' => 4,
                 'signed' => true,
                 'required' => false,
                 'default' => null,