diff --git a/src/slic3r/GUI/DeviceManager.cpp b/src/slic3r/GUI/DeviceManager.cpp
index f52967cb3..0bce161db 100644
--- a/src/slic3r/GUI/DeviceManager.cpp
+++ b/src/slic3r/GUI/DeviceManager.cpp
@@ -2716,8 +2716,6 @@ static ENUM enum_index_of(char const *key, char const **enum_names, int enum_cou
 
 int MachineObject::parse_json(std::string payload, bool key_field_only)
 {
-    CNumericLocalesSetter locales_setter;
-
     parse_msg_count++;
     std::chrono::system_clock::time_point clock_start = std::chrono::system_clock::now();
     this->set_online_state(true);
@@ -2732,6 +2730,7 @@ int MachineObject::parse_json(std::string payload, bool key_field_only)
         bool restored_json = false;
         json j;
         json j_pre = json::parse(payload);
+        CNumericLocalesSetter locales_setter;
         if (j_pre.empty()) {
             return 0;
         }