diff --git a/sphinx/roles.py b/sphinx/roles.py
index 22f9e6124..a42a5610d 100644
--- a/sphinx/roles.py
+++ b/sphinx/roles.py
@@ -394,8 +394,10 @@ class GUILabel(SphinxRole):
 
 
 class MenuSelection(GUILabel):
+    BULLET_CHARACTER = '\N{TRIANGULAR BULLET}'
+
     def run(self) -> Tuple[List[Node], List[system_message]]:
-        self.text = self.text.replace('-->', '\N{TRIANGULAR BULLET}')
+        self.text = self.text.replace('-->', self.BULLET_CHARACTER)
         return super().run()