diff --git a/src/libslic3r/Format/bbs_3mf.cpp b/src/libslic3r/Format/bbs_3mf.cpp
index 20bf8be8c6..fcb28f044b 100644
--- a/src/libslic3r/Format/bbs_3mf.cpp
+++ b/src/libslic3r/Format/bbs_3mf.cpp
@@ -1837,8 +1837,10 @@ void PlateData::parse_filament_info(GCodeProcessorResult *result)
                 else if (boost::algorithm::iequals(name, BBS_MODEL_CONFIG_FILE)) {
                     // extract slic3r model config file
                     if (!_extract_xml_from_archive(archive, stat, _handle_start_config_xml_element, _handle_end_config_xml_element)) {
-                        add_error("Archive does not contain a valid model config");
-                        return false;
+                        if (m_is_bbl_3mf) {
+                            add_error("Archive does not contain a valid model config");
+                            return false;
+                        }
                     }
                 }
                 else if (_is_svg_shape_file(name)) {