diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 98458aacc1..87e8f63363 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -6771,7 +6771,8 @@ Plater::Plater(wxWindow *parent, MainFrame *main_frame)
 
 bool Plater::Show(bool show)
 {
-    wxGetApp().mainframe->show_option(show);
+    if (wxGetApp().mainframe)
+        wxGetApp().mainframe->show_option(show);
     return wxPanel::Show(show);
 }