diff --git a/src/libslic3r/GCodeWriter.hpp b/src/libslic3r/GCodeWriter.hpp
index da2ce35cd6..252a4900f1 100644
--- a/src/libslic3r/GCodeWriter.hpp
+++ b/src/libslic3r/GCodeWriter.hpp
@@ -18,17 +18,18 @@ public:
     bool multiple_extruders;
 
     GCodeWriter() :
-        multiple_extruders(false), m_curr_filament_extruder(MAXIMUM_EXTRUDER_NUMBER, nullptr),
-        m_curr_extruder_id (-1),
-        m_cached_extruder_idx(0),
-        m_single_extruder_multi_material(false),
-        m_last_acceleration(0), m_max_acceleration(0),m_last_travel_acceleration(0), m_max_travel_acceleration(0),
-        m_last_jerk(0), m_max_jerk_x(0), m_max_jerk_y(0),
-        m_last_bed_temperature(0), m_last_bed_temperature_reached(true),
+        multiple_extruders(false),
         m_lifted(0),
         m_to_lift(0),
         m_to_lift_type(LiftType::NormalLift),
-        m_current_speed(3600), m_is_first_layer(true)
+        m_is_first_layer(true), m_current_speed(3600),
+        m_cached_extruder_idx(0),
+        m_curr_filament_extruder(MAXIMUM_EXTRUDER_NUMBER, nullptr),
+        m_curr_extruder_id (-1),
+        m_single_extruder_multi_material(false),
+        m_last_acceleration(0), m_max_acceleration(0),m_last_travel_acceleration(0), m_max_travel_acceleration(0),
+        m_last_jerk(0), m_max_jerk_x(0), m_max_jerk_y(0),
+        m_last_bed_temperature(0), m_last_bed_temperature_reached(true)
         {}
     Extruder* filament(size_t extruder_id) { assert(extruder_id < m_curr_filament_extruder.size()); return m_curr_filament_extruder[extruder_id]; }
     const Extruder* filament(size_t extruder_id) const { assert(extruder_id < m_curr_filament_extruder.size()); return m_curr_filament_extruder[extruder_id]; }