diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index f80f2cc3b5..0bdbae8f41 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -4772,7 +4772,7 @@ void Plater::new_project()
 
 void Plater::load_project()
 {
-    if (!p->save_project_if_dirty())
+    if (p->save_project_if_dirty() == wxID_CANCEL)
         return;
 
     // Ask user for a project file name.