diff --git a/src/libslic3r/Format/bbs_3mf.cpp b/src/libslic3r/Format/bbs_3mf.cpp
index 427531fe8..6969a2626 100644
--- a/src/libslic3r/Format/bbs_3mf.cpp
+++ b/src/libslic3r/Format/bbs_3mf.cpp
@@ -6109,7 +6109,7 @@ void PlateData::parse_filament_info(GCodeProcessorResult *result)
             std::stringstream stream;
             reset_stream(stream);
             stream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
-            stream << "<" << MODEL_TAG << " unit=\"millimeter\" xml:lang=\"en-US\" xmlns=\"http://schemas.microsoft.com/3dmanufacturing/core/2015/02\" xmlns:slic3rpe=\"http://schemas.slic3r.org/3mf/2017/06\"";
+            stream << "<" << MODEL_TAG << " unit=\"millimeter\" xml:lang=\"en-US\" xmlns=\"http://schemas.microsoft.com/3dmanufacturing/core/2015/02\" xmlns:BambuStudio=\"http://schemas.bambulab.com/package/2021\"";
             if (m_production_ext)
                 stream << " xmlns:p=\"http://schemas.microsoft.com/3dmanufacturing/production/2015/06\" requiredextensions=\"p\"";
             stream << ">\n";