diff --git a/src/slic3r/GUI/FirmwareDialog.cpp b/src/slic3r/GUI/FirmwareDialog.cpp
index fe7ff4e5d..9ebc25005 100644
--- a/src/slic3r/GUI/FirmwareDialog.cpp
+++ b/src/slic3r/GUI/FirmwareDialog.cpp
@@ -790,7 +790,7 @@ FirmwareDialog::FirmwareDialog(wxWindow *parent) :
     SetFont(font);
     wxFont status_font = font;//wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 	status_font.MakeBold();
-	wxFont mono_font(wxFontInfo().Family(wxFONTFAMILY_TELETYPE));
+	wxFont mono_font = GUI::wxGetApp().code_font();
 	mono_font.MakeSmaller();
 
 	// Create GUI components and layout