diff --git a/include/wx/defs.h b/include/wx/defs.h
index 708b4b9aa7..fd5449895b 100644
--- a/include/wx/defs.h
+++ b/include/wx/defs.h
@@ -1825,7 +1825,6 @@ enum wxBorder
 #define wxICON_INFORMATION      0x00000800
 #define wxICON_STOP             wxICON_HAND
 #define wxICON_ASTERISK         wxICON_INFORMATION
-#define wxICON_MASK             (wxICON_EXCLAMATION|wxICON_HAND|wxICON_QUESTION|wxICON_INFORMATION)
 
 #define  wxFORWARD              0x00001000
 #define  wxBACKWARD             0x00002000
@@ -1835,6 +1834,9 @@ enum wxBorder
 #define  wxSETUP                0x00020000
 #define wxICON_NONE             0x00040000
 
+#define wxICON_MASK \
+    (wxICON_EXCLAMATION|wxICON_HAND|wxICON_QUESTION|wxICON_INFORMATION|wxICON_NONE)
+
 /*
  * Background styles. See wxWindow::SetBackgroundStyle
  */