diff --git a/src/libslic3r/PrintConfig.cpp b/src/libslic3r/PrintConfig.cpp
index 68de99bbb..6f5c15d84 100644
--- a/src/libslic3r/PrintConfig.cpp
+++ b/src/libslic3r/PrintConfig.cpp
@@ -3720,7 +3720,7 @@ void PrintConfigDef::handle_legacy(t_config_option_key &opt_key, std::string &va
         "support_bottom_z_distance", "support_closing_radius",
         "remove_freq_sweep", "remove_bed_leveling", "remove_extrusion_calibration",
         "support_transition_line_width", "support_transition_speed", "bed_temperature", "bed_temperature_initial_layer",
-        "can_switch_nozzle_type", "can_add_auxiliary_fan", "extra_flush_volume", "spaghetti_detector"/*, "adaptive_layer_height"*/
+        "can_switch_nozzle_type", "can_add_auxiliary_fan", "extra_flush_volume", "spaghetti_detector", "adaptive_layer_height"
     };
 
     if (ignore.find(opt_key) != ignore.end()) {