diff --git a/src/libslic3r/PresetBundle.cpp b/src/libslic3r/PresetBundle.cpp
index c8d874dcb..15b1ef94e 100644
--- a/src/libslic3r/PresetBundle.cpp
+++ b/src/libslic3r/PresetBundle.cpp
@@ -2949,6 +2949,7 @@ void PresetBundle::load_config_file_config(const std::string &name_or_path, bool
 std::pair<PresetsConfigSubstitutions, size_t> PresetBundle::load_vendor_configs_from_json(
     const std::string &path, const std::string &vendor_name, LoadConfigBundleAttributes flags, ForwardCompatibilitySubstitutionRule compatibility_rule)
 {
+    CNumericLocalesSetter locales_setter;
     // Enable substitutions for user config bundle, throw an exception when loading a system profile.
     ConfigSubstitutionContext  substitution_context { compatibility_rule };
     PresetsConfigSubstitutions substitutions;