diff --git a/packages/backend/src/server/web/boot.css b/packages/backend/src/server/web/boot.css
index 7a6200d12..9f8f90501 100644
--- a/packages/backend/src/server/web/boot.css
+++ b/packages/backend/src/server/web/boot.css
@@ -62,7 +62,8 @@ li {
 	font-size: 16px;
 }
 
-.dont-worry {
+.dont-worry,
+#msg {
 	font-size: 18px;
 }
 
diff --git a/packages/backend/src/server/web/views/flush.pug b/packages/backend/src/server/web/views/flush.pug
index ec585a34d..07811e7b3 100644
--- a/packages/backend/src/server/web/views/flush.pug
+++ b/packages/backend/src/server/web/views/flush.pug
@@ -1,6 +1,12 @@
 doctype html
 
 html
+	head
+		meta(charset='utf-8')
+		meta(name='application-name' content='Misskey')
+		title Flushing Misskey
+		style
+			include ../boot.css
 	#msg
 	script.
 		const msg = document.getElementById('msg');