From 28d4b219fa4332d116c94627aa77b251a5264cc2 Mon Sep 17 00:00:00 2001
From: Matthias Hochsteger <mhochsteger@cerbsim.com>
Date: Thu, 20 Aug 2020 15:07:43 +0200
Subject: [PATCH] bugfix in csg2d

---
 libsrc/geom2d/csg2d.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libsrc/geom2d/csg2d.cpp b/libsrc/geom2d/csg2d.cpp
index 96bf07c5..e75710d3 100644
--- a/libsrc/geom2d/csg2d.cpp
+++ b/libsrc/geom2d/csg2d.cpp
@@ -719,7 +719,7 @@ RelativePositionType oracle(bool prev, Vertex* P1, Vertex* P2, Vertex* P3)
   {
     Q = P2->neighbour->next;
     q = *Q;
-    if(P2->spline)
+    if(P2->neighbour->spline)
       q = P2->neighbour->spline->TangentPoint();
   }