From 90726ecbff305d044dc63e5829134351e3e624f0 Mon Sep 17 00:00:00 2001
From: Jaime van Kessel <nallath@gmail.com>
Date: Thu, 1 Nov 2018 15:28:08 +0100
Subject: [PATCH] Fix situation where the setting visibility model could cause
 a crash.

Yay for crash logging
---
 cura/Machines/Models/SettingVisibilityPresetsModel.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cura/Machines/Models/SettingVisibilityPresetsModel.py b/cura/Machines/Models/SettingVisibilityPresetsModel.py
index 2702001d8a..79131521f2 100644
--- a/cura/Machines/Models/SettingVisibilityPresetsModel.py
+++ b/cura/Machines/Models/SettingVisibilityPresetsModel.py
@@ -140,7 +140,7 @@ class SettingVisibilityPresetsModel(QObject):
         item_to_set = self._active_preset_item
         if matching_preset_item is None:
             # The new visibility setup is "custom" should be custom
-            if self._active_preset_item.presetId == "custom":
+            if self._active_preset_item is None or self._active_preset_item.presetId == "custom":
                 # We are already in custom, just save the settings
                 self._preferences.setValue("cura/custom_visible_settings", visibility_string)
             else: