From 88849b5981bc090713ce20e565ee17e1bdd7c473 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Mon, 17 Feb 2020 15:36:45 +0100
Subject: [PATCH] Part: [skip ci] fix crash in BRepOffsetAPI_MakeOffsetFix

---
 src/Mod/Part/App/BRepOffsetAPI_MakeOffsetFix.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Mod/Part/App/BRepOffsetAPI_MakeOffsetFix.cpp b/src/Mod/Part/App/BRepOffsetAPI_MakeOffsetFix.cpp
index f657693ba9..81c8f19301 100644
--- a/src/Mod/Part/App/BRepOffsetAPI_MakeOffsetFix.cpp
+++ b/src/Mod/Part/App/BRepOffsetAPI_MakeOffsetFix.cpp
@@ -159,6 +159,11 @@ const TopoDS_Shape& BRepOffsetAPI_MakeOffsetFix::Shape()
 {
     if (myResult.IsNull()) {
         TopoDS_Shape result = mkOffset.Shape();
+        if (result.IsNull()) {
+            myResult = result;
+            return myResult;
+        }
+
         if (result.ShapeType() == TopAbs_WIRE) {
             MakeWire(result);
         }