diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 85597e886..f6675acae 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -8207,7 +8207,7 @@ int Plater::save_project(bool saveAs)
         return wxID_CANCEL;
 
     //BBS export 3mf without gcode
-    if (export_3mf(into_path(filename), SaveStrategy::SplitModel | SaveStrategy::ShareMesh) < 0) {
+    if (export_3mf(into_path(filename), SaveStrategy::SplitModel | SaveStrategy::ShareMesh | SaveStrategy::FullPathSources) < 0) {
         MessageDialog(this, _L("Failed to save the project.\nPlease check whether the folder exists online or if other programs open the project file."),
             _L("Save project"), wxOK | wxICON_WARNING).ShowModal();
         return wxID_CANCEL;