diff --git a/src/web/app/desktop/script.js b/src/web/app/desktop/script.js
index b63f712f62..92a4598305 100644
--- a/src/web/app/desktop/script.js
+++ b/src/web/app/desktop/script.js
@@ -8,7 +8,7 @@ const riot = require('riot');
 const boot = require('../boot');
 const mixins = require('./mixins.ls');
 const route = require('./router');
-const fuckAdBlock = require('./scripts/fuck-ad-block.ls');
+const fuckAdBlock = require('./scripts/fuck-ad-block');
 
 /**
  * Boot
diff --git a/src/web/app/desktop/scripts/fuck-ad-block.js b/src/web/app/desktop/scripts/fuck-ad-block.js
new file mode 100644
index 0000000000..38208d34c0
--- /dev/null
+++ b/src/web/app/desktop/scripts/fuck-ad-block.js
@@ -0,0 +1,18 @@
+require('fuckadblock');
+const dialog = require('./dialog');
+
+module.exports = () => {
+	if (fuckAdBlock === undefined) {
+		adBlockDetected();
+	} else {
+		fuckAdBlock.onDetected(adBlockDetected);
+	}
+};
+
+function adBlockDetected() {
+	dialog('<i class="fa fa-exclamation-triangle"></i>広告ブロッカーを無効にしてください',
+		'<strong>Misskeyは広告を掲載していません</strong>が、広告をブロックする機能が有効だと一部の機能が利用できなかったり、不具合が発生する場合があります。',
+	[{
+		text: 'OK'
+	}]);
+}
diff --git a/src/web/app/desktop/scripts/fuck-ad-block.ls b/src/web/app/desktop/scripts/fuck-ad-block.ls
deleted file mode 100644
index 7990f58f1f..0000000000
--- a/src/web/app/desktop/scripts/fuck-ad-block.ls
+++ /dev/null
@@ -1,19 +0,0 @@
-# FUCK AD BLOCK
-#================================
-
-require \fuckadblock
-dialog = require './dialog.ls'
-
-module.exports = ~>
-	if fuck-ad-block == undefined
-		ad-block-detected!
-	else
-		fuck-ad-block.on-detected ad-block-detected
-
-function ad-block-detected
-	dialog do
-		'<i class="fa fa-exclamation-triangle"></i>広告ブロッカーを無効にしてください'
-		'<strong>Misskeyは広告を掲載していません</strong>が、広告をブロックする機能が有効だと一部の機能が利用できなかったり、不具合が発生する場合があります。'
-		[
-			text: \OK
-		]