diff --git a/src/libslic3r/PrintConfig.cpp b/src/libslic3r/PrintConfig.cpp
index 19666d7be..009c3c0bd 100644
--- a/src/libslic3r/PrintConfig.cpp
+++ b/src/libslic3r/PrintConfig.cpp
@@ -5195,7 +5195,8 @@ void PrintConfigDef::handle_legacy(t_config_option_key &opt_key, std::string &va
         || opt_key == "extruder_variant_list") {
         ReplaceString(value, "Normal", "Standard");
         ReplaceString(value, "Big Traffic", "High Flow");
-    } else if (opt_key == "nozzle_volume_type") {
+    }
+    else if (opt_key == "extruder_type") {
         ReplaceString(value, "DirectDrive", "Direct Drive");
     }