diff --git a/src/libslic3r/Format/3mf.cpp b/src/libslic3r/Format/3mf.cpp
index eb48226343..e65bf185b0 100644
--- a/src/libslic3r/Format/3mf.cpp
+++ b/src/libslic3r/Format/3mf.cpp
@@ -2251,7 +2251,7 @@ namespace Slic3r {
         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\">\n";
         stream << " <" << METADATA_TAG << " name=\"" << SLIC3RPE_3MF_VERSION << "\">" << VERSION_3MF << "</" << METADATA_TAG << ">\n";
-        std::string name = boost::filesystem::path(filename).stem().string();
+        std::string name = xml_escape(boost::filesystem::path(filename).stem().string());
         stream << " <" << METADATA_TAG << " name=\"Title\">" << name << "</" << METADATA_TAG << ">\n";
         stream << " <" << METADATA_TAG << " name=\"Designer\">" << "</" << METADATA_TAG << ">\n";
         stream << " <" << METADATA_TAG << " name=\"Description\">" << name << "</" << METADATA_TAG << ">\n";