diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp index c63d265faa..6d650029f8 100644 --- a/src/slic3r/GUI/GLCanvas3D.cpp +++ b/src/slic3r/GUI/GLCanvas3D.cpp @@ -2204,6 +2204,9 @@ void GLCanvas3D::on_idle(wxIdleEvent& evt) void GLCanvas3D::on_char(wxKeyEvent& evt) { + if (!m_initialized) + return; + // see include/wx/defs.h enum wxKeyCode int keyCode = evt.GetKeyCode(); int ctrlMask = wxMOD_CONTROL;