diff --git a/ipn/ipnlocal/peerapi.go b/ipn/ipnlocal/peerapi.go index e3e7401e7..e0f78ec85 100644 --- a/ipn/ipnlocal/peerapi.go +++ b/ipn/ipnlocal/peerapi.go @@ -832,7 +832,7 @@ func (h *peerAPIHandler) handleServeDoctor(w http.ResponseWriter, r *http.Reques fmt.Fprintln(w, "
")
 
 	h.ps.b.Doctor(r.Context(), func(format string, args ...any) {
-		line := fmt.Sprintf(format, args)
+		line := fmt.Sprintf(format, args...)
 		fmt.Fprintln(w, html.EscapeString(line))
 	})