From c3b1eca2c73ce5c206ebe3813e4e9a339bbf2f11 Mon Sep 17 00:00:00 2001
From: Enrico Turri <enricoturri@seznam.cz>
Date: Tue, 29 May 2018 14:09:02 +0200
Subject: [PATCH] Fixed a crash

---
 xs/src/slic3r/GUI/GLCanvas3D.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xs/src/slic3r/GUI/GLCanvas3D.cpp b/xs/src/slic3r/GUI/GLCanvas3D.cpp
index 406e8939c0..1c8d87d2c7 100644
--- a/xs/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/xs/src/slic3r/GUI/GLCanvas3D.cpp
@@ -2172,7 +2172,7 @@ void GLCanvas3D::_render_legend_texture() const
 
 void GLCanvas3D::_render_layer_editing_overlay() const
 {
-    if ((m_volumes == nullptr) && (m_print == nullptr))
+    if ((m_volumes == nullptr) || (m_print == nullptr))
         return;
 
     GLVolume* volume = nullptr;