diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 8201eb940..d542c18e7 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -5418,7 +5418,7 @@ void Plater::load_gcode(const wxString& filename)
     if (p->preview->get_canvas3d()->get_gcode_layers_zs().empty()) {
         //wxMessageDialog(this, _L("The selected file") + ":\n" + filename + "\n" + _L("does not contain valid gcode."),
         MessageDialog(this, _L("The selected file") + ":\n" + filename + "\n" + _L("does not contain valid gcode."),
-            wxString(GCODEVIEWER_APP_NAME) + " - " + _L("Error while loading .gcode file"), wxCANCEL | wxICON_WARNING | wxCENTRE).ShowModal();
+            wxString(GCODEVIEWER_APP_NAME) + " - " + _L("Error while loading .gcode file"), wxOK | wxICON_WARNING | wxCENTRE).ShowModal();
         set_project_filename(wxEmptyString);
     }
     else