diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index f65e698ee3..5c04befe91 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -1863,7 +1863,7 @@ bool GUI_App::on_init_inner()
             }
         }
         for (auto d : dialogStack)
-            d->EndModal(1);
+            d->EndModal(wxID_CANCEL);
     });
 
     std::map<std::string, std::string> extra_headers = get_extra_header();