From 9b6b20070a8df32f3b16db14f2bdfa8f3a6c8170 Mon Sep 17 00:00:00 2001
From: YuSanka <yusanka@gmail.com>
Date: Mon, 4 Mar 2024 14:36:40 +0100
Subject: [PATCH] Fix for SPE-2170 : Incorrectly imported settings/overrides
 from g-code file. Write to G-code whole filament overridden even if some of
 then are NAN.

---
 src/libslic3r/GCode.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libslic3r/GCode.cpp b/src/libslic3r/GCode.cpp
index a7dcf5a579..00f88ad769 100644
--- a/src/libslic3r/GCode.cpp
+++ b/src/libslic3r/GCode.cpp
@@ -2852,7 +2852,7 @@ void GCodeGenerator::encode_full_config(const Print& print, std::vector<std::pai
     };
     config.reserve(config.size() + cfg.keys().size());
     for (const std::string& key : cfg.keys()) {
-        if (!is_banned(key) && !cfg.option(key)->is_nil())
+        if (!is_banned(key))
             config.emplace_back(key, cfg.opt_serialize(key));
     }
     config.shrink_to_fit();