diff --git a/emacs.el b/emacs.el
index 98e528b..cea8085 100644
--- a/emacs.el
+++ b/emacs.el
@@ -549,7 +549,15 @@ found, otherwise returns nil."
           'my-mode-line-color-update)
 (add-hook 'wdired-mode-hook
           'my-mode-line-color-update)
-;; TODO: Support wgrep-mode
+(advice-add 'wdired-change-to-dired-mode
+            :after
+            'my-mode-line-color-update)
+(advice-add 'wgrep-change-to-wgrep-mode
+            :after
+            'my-mode-line-color-update)
+(advice-add 'wgrep-to-original-mode
+            :after
+            'my-mode-line-color-update)
 
 (set-face-background 'header-line
                      my-mode-line-background-default)