diff --git a/src/libslic3r/GCode.cpp b/src/libslic3r/GCode.cpp
index 8e2e9f713c..18d805936e 100644
--- a/src/libslic3r/GCode.cpp
+++ b/src/libslic3r/GCode.cpp
@@ -6726,6 +6726,7 @@ void GCode::append_full_config(const Print &print, std::string &str)
         "farthest_point_timelapse"sv,
         "compatible_printers"sv,
         "compatible_prints"sv,
+        "filament_colour_type"sv,
         "print_host"sv,
         "print_host_webui"sv,
         "printhost_apikey"sv,