diff --git a/src/web/app/common/views/components/messaging-room.form.vue b/src/web/app/common/views/components/messaging-room.form.vue
index adc3372be..670040a57 100644
--- a/src/web/app/common/views/components/messaging-room.form.vue
+++ b/src/web/app/common/views/components/messaging-room.form.vue
@@ -1,6 +1,13 @@
 <template>
 <div class="mk-messaging-form">
-	<textarea v-model="text" ref="textarea" @keypress="onKeypress" @paste="onPaste" placeholder="%i18n:common.input-message-here%" v-autocomplete></textarea>
+	<textarea
+		v-model="text"
+		ref="textarea"
+		@keypress="onKeypress"
+		@paste="onPaste"
+		placeholder="%i18n:common.input-message-here%"
+		v-autocomplete="'text'"
+	></textarea>
 	<div class="file" v-if="file">{{ file.name }}</div>
 	<mk-uploader ref="uploader"/>
 	<button class="send" @click="send" :disabled="sending" title="%i18n:common.send%">
diff --git a/src/web/app/common/views/directives/autocomplete.ts b/src/web/app/common/views/directives/autocomplete.ts
index 4d6ba41df..7d04026f8 100644
--- a/src/web/app/common/views/directives/autocomplete.ts
+++ b/src/web/app/common/views/directives/autocomplete.ts
@@ -4,8 +4,9 @@ import MkAutocomplete from '../components/autocomplete.vue';
 export default {
 	bind(el, binding, vn) {
 		const self = el._autoCompleteDirective_ = {} as any;
-		self.x = new Autocomplete(el);
+		self.x = new Autocomplete(el, vn.context, binding.value);
 		self.x.attach();
+		console.log(vn.context);
 	},
 
 	unbind(el, binding, vn) {
@@ -20,11 +21,21 @@ export default {
 class Autocomplete {
 	private suggestion: any;
 	private textarea: any;
+	private vm: any;
+	private model: any;
+
+	private get text(): string {
+		return this.vm[this.model];
+	}
+
+	private set text(text: string) {
+		this.vm[this.model] = text;
+	}
 
 	/**
 	 * 対象のテキストエリアを与えてインスタンスを初期化します。
 	 */
-	constructor(textarea) {
+	constructor(textarea, vm, model) {
 		//#region BIND
 		this.onInput = this.onInput.bind(this);
 		this.complete = this.complete.bind(this);
@@ -33,6 +44,8 @@ class Autocomplete {
 
 		this.suggestion = null;
 		this.textarea = textarea;
+		this.vm = vm;
+		this.model = model;
 	}
 
 	/**
@@ -57,7 +70,7 @@ class Autocomplete {
 		this.close();
 
 		const caret = this.textarea.selectionStart;
-		const text = this.textarea.value.substr(0, caret);
+		const text = this.text.substr(0, caret);
 
 		const mentionIndex = text.lastIndexOf('@');
 		const emojiIndex = text.lastIndexOf(':');
@@ -129,28 +142,28 @@ class Autocomplete {
 		const caret = this.textarea.selectionStart;
 
 		if (type == 'user') {
-			const source = this.textarea.value;
+			const source = this.text;
 
 			const before = source.substr(0, caret);
 			const trimmedBefore = before.substring(0, before.lastIndexOf('@'));
 			const after = source.substr(caret);
 
 			// 挿入
-			this.textarea.value = trimmedBefore + '@' + value.username + ' ' + after;
+			this.text = trimmedBefore + '@' + value.username + ' ' + after;
 
 			// キャレットを戻す
 			this.textarea.focus();
 			const pos = caret + value.username.length;
 			this.textarea.setSelectionRange(pos, pos);
 		} else if (type == 'emoji') {
-			const source = this.textarea.value;
+			const source = this.text;
 
 			const before = source.substr(0, caret);
 			const trimmedBefore = before.substring(0, before.lastIndexOf(':'));
 			const after = source.substr(caret);
 
 			// 挿入
-			this.textarea.value = trimmedBefore + value + after;
+			this.text = trimmedBefore + value + after;
 
 			// キャレットを戻す
 			this.textarea.focus();
diff --git a/src/web/app/desktop/views/components/post-form.vue b/src/web/app/desktop/views/components/post-form.vue
index d38ed9a04..ecb686a10 100644
--- a/src/web/app/desktop/views/components/post-form.vue
+++ b/src/web/app/desktop/views/components/post-form.vue
@@ -9,7 +9,7 @@
 		<textarea :class="{ with: (files.length != 0 || poll) }"
 			ref="text" v-model="text" :disabled="posting"
 			@keydown="onKeydown" @paste="onPaste" :placeholder="placeholder"
-			v-autocomplete
+			v-autocomplete="'text'"
 		></textarea>
 		<div class="medias" :class="{ with: poll }" v-show="files.length != 0">
 			<x-draggable :list="files" :options="{ animation: 150 }">