From 500051ef1d3f0ace3b982cf547afdae724b636ad Mon Sep 17 00:00:00 2001
From: Matthias Koefferlein <matthias@koefferlein.de>
Date: Wed, 18 Jan 2023 17:07:53 +0100
Subject: [PATCH] WIP: bug fix

---
 src/db/db/dbAsIfFlatRegion.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/db/db/dbAsIfFlatRegion.cc b/src/db/db/dbAsIfFlatRegion.cc
index 82bd453b1..8c881c847 100644
--- a/src/db/db/dbAsIfFlatRegion.cc
+++ b/src/db/db/dbAsIfFlatRegion.cc
@@ -1268,7 +1268,7 @@ AsIfFlatRegion::sized (coord_type dx, coord_type dy, unsigned int mode) const
     //  ignore empty
     return new EmptyRegion ();
 
-  } else if (is_box () && mode >= 2) {
+  } else if (is_box () && begin ()->prop_id () == 0 && mode >= 2) {
 
     //  simplified handling for a box
     db::Box b = bbox ().enlarged (db::Vector (dx, dy));