From bdf4d5f41fcdd090422ba2f3d2d500cf89ffd580 Mon Sep 17 00:00:00 2001
From: Lukas Matena <lukasmatena@seznam.cz>
Date: Fri, 4 Jan 2019 21:36:58 +0100
Subject: [PATCH] Fixed a crash when deleting several instances of one object

---
 src/slic3r/GUI/GLCanvas3D.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index 2d57d5eb7..f81bec3b8 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -1894,8 +1894,6 @@ void GLCanvas3D::Selection::erase()
         }
         wxGetApp().obj_list()->delete_from_model_and_list(items);
     }
-    else if (is_single_full_instance())
-        wxGetApp().obj_list()->delete_from_model_and_list(ItemType::itInstance, get_object_idx(), get_instance_idx());
     else if (is_multiple_full_instance())
     {
         std::set<std::pair<int, int>> instances_idxs;
@@ -1915,6 +1913,8 @@ void GLCanvas3D::Selection::erase()
         }
         wxGetApp().obj_list()->delete_from_model_and_list(items);
     }
+    else if (is_single_full_instance())
+        wxGetApp().obj_list()->delete_from_model_and_list(ItemType::itInstance, get_object_idx(), get_instance_idx());
     else if (is_mixed())
     {
         std::set<ItemForDelete> items_set;