diff --git a/cmd/syncthing/gui.go b/cmd/syncthing/gui.go
index 2b0b2384..821cada1 100644
--- a/cmd/syncthing/gui.go
+++ b/cmd/syncthing/gui.go
@@ -190,7 +190,7 @@ func restGetSystem(w http.ResponseWriter) {
 	res["goroutines"] = runtime.NumGoroutine()
 	res["alloc"] = m.Alloc
 	res["sys"] = m.Sys
-	if discoverer != nil {
+	if cfg.Options.GlobalAnnEnabled && discoverer != nil {
 		res["extAnnounceOK"] = discoverer.ExtAnnounceOK()
 	}
 	cpuUsageLock.RLock()