diff --git a/doom-modeline-segments.el b/doom-modeline-segments.el
index 85fe768..a04f9da 100644
--- a/doom-modeline-segments.el
+++ b/doom-modeline-segments.el
@@ -290,10 +290,9 @@ Uses `all-the-icons-material' to fetch the icon."
 (when (>= emacs-major-version 26)
   (add-variable-watcher
    'buffer-read-only
-   (lambda (_sym val op _where)
-     (when (eq op 'set)
-       (setq buffer-read-only val)
-       (doom-modeline-update-buffer-file-state-icon))))
+   (lambda (_sym val _op _where)
+     (setq buffer-read-only val)
+     (doom-modeline-update-buffer-file-state-icon)))
 
   (add-variable-watcher
    'doom-modeline-icon
diff --git a/doom-modeline.el b/doom-modeline.el
index 5b89e12..83281f6 100644
--- a/doom-modeline.el
+++ b/doom-modeline.el
@@ -4,7 +4,7 @@
 
 ;; Author: Vincent Zhang <seagle0128@gmail.com>
 ;; Homepage: https://github.com/seagle0128/doom-modeline
-;; Version: 1.9.5
+;; Version: 1.9.6
 ;; Package-Requires: ((emacs "25.1") (all-the-icons "1.0.0") (shrink-path "0.2.0") (eldoc-eval "0.1") (dash "2.11.0"))
 ;; Keywords: faces mode-line