diff --git a/src/client/app/desktop/script.ts b/src/client/app/desktop/script.ts
index e79573c77a..8d95d81775 100644
--- a/src/client/app/desktop/script.ts
+++ b/src/client/app/desktop/script.ts
@@ -44,43 +44,6 @@ init(async (launch) => {
 	require('./views/components');
 	require('./views/widgets');
 
-	// Dark/Light
-	Vue.mixin({
-		data() {
-			return {
-				_darkmode_: false
-			};
-		},
-		beforeCreate() {
-			// なぜか警告が出るため
-			this._darkmode_ = false;
-		},
-		mounted() {
-			const set = () => {
-				if (!this.$el || !this.$el.setAttribute || !this.os || !this.os.i) return;
-				if (this.os.i.clientSettings.dark) {
-					document.documentElement.setAttribute('data-darkmode', 'true');
-					this.$el.setAttribute('data-darkmode', 'true');
-					this._darkmode_ = true;
-					this.$forceUpdate();
-				} else {
-					document.documentElement.removeAttribute('data-darkmode');
-					this.$el.removeAttribute('data-darkmode');
-					this._darkmode_ = false;
-					this.$forceUpdate();
-				}
-			};
-
-			set();
-
-			this.$watch('os.i.clientSettings', i => {
-				set();
-			}, {
-				deep: true
-			});
-		}
-	});
-
 	// Init router
 	const router = new VueRouter({
 		mode: 'history',
diff --git a/src/client/app/init.ts b/src/client/app/init.ts
index 990933ec0e..a3ab2e8e31 100644
--- a/src/client/app/init.ts
+++ b/src/client/app/init.ts
@@ -47,6 +47,43 @@ Vue.mixin({
 	}
 });
 
+// Dark/Light
+Vue.mixin({
+	data() {
+		return {
+			_darkmode_: false
+		};
+	},
+	beforeCreate() {
+		// なぜか警告が出るため
+		this._darkmode_ = false;
+	},
+	mounted() {
+		const set = () => {
+			if (!this.$el || !this.$el.setAttribute || !this.os || !this.os.i) return;
+			if (this.os.i.clientSettings.dark) {
+				document.documentElement.setAttribute('data-darkmode', 'true');
+				this.$el.setAttribute('data-darkmode', 'true');
+				this._darkmode_ = true;
+				this.$forceUpdate();
+			} else {
+				document.documentElement.removeAttribute('data-darkmode');
+				this.$el.removeAttribute('data-darkmode');
+				this._darkmode_ = false;
+				this.$forceUpdate();
+			}
+		};
+
+		set();
+
+		this.$watch('os.i.clientSettings', i => {
+			set();
+		}, {
+			deep: true
+		});
+	}
+});
+
 /**
  * APP ENTRY POINT!
  */