Index: src/slic3r/GUI/Plater.cpp
--- src/slic3r/GUI/Plater.cpp.orig
+++ src/slic3r/GUI/Plater.cpp
@@ -5425,7 +5425,7 @@ void Plater::load_project(const wxString& filename)
 
     p->reset();
 
-    if (! load_files({ into_path(filename) }).empty()) {
+    if (! load_files((const std::vector<boost::filesystem::path>){ into_path(filename) }).empty()) {
         // At least one file was loaded.
         p->set_project_filename(filename);
         // Save the names of active presets and project specific config into ProjectDirtyStateManager.
