diff --git a/_data/comm.json b/_data/comm.json
index de5d54e7..e2223204 100644
--- a/_data/comm.json
+++ b/_data/comm.json
@@ -9412,6 +9412,7 @@
     "menu-help-about-product",
     "menu-quit",
     "menu-quit-mac",
+    "system-tray-menu-quit",
     "quit-app-shortcut",
     "toolbar-junk-button",
     "toolbar-not-junk-button",
diff --git a/mail/messenger/menubar.ftl b/mail/messenger/menubar.ftl
index e947d547..8859a72a 100644
--- a/mail/messenger/menubar.ftl
+++ b/mail/messenger/menubar.ftl
@@ -83,6 +83,13 @@ menu-quit =
 menu-quit-mac =
     .label = Quit { -brand-shorter-name }
 
+system-tray-menu-quit =
+    .label =
+        { PLATFORM() ->
+            [windows] Exit { -brand-full-name }
+           *[other] Quit { -brand-full-name }
+        }
+
 # Localization note: Do not translate unless your locale's keyboard layout
 # does not include this key, as it determines the keyboard shortcut for
 # shutting down the application.