diff --git a/interface/wx/defs.h b/interface/wx/defs.h
index a3859ee3e3..1f4bcd6bbb 100644
--- a/interface/wx/defs.h
+++ b/interface/wx/defs.h
@@ -484,6 +484,7 @@ enum wxBorder
 #define wxMORE                  0x00010000
 #define wxSETUP                 0x00020000
 #define wxICON_NONE             0x00040000
+#define wxICON_AUTH_NEEDED      0x00080000
 
 #define wxICON_MASK \
     (wxICON_EXCLAMATION|wxICON_HAND|wxICON_QUESTION|wxICON_INFORMATION|wxICON_NONE)