diff --git a/src/client/app/admin/views/instance.vue b/src/client/app/admin/views/instance.vue
index 4e7d59b8e..6fd92a779 100644
--- a/src/client/app/admin/views/instance.vue
+++ b/src/client/app/admin/views/instance.vue
@@ -6,7 +6,7 @@
 			<ui-input :value="host" readonly>{{ $t('host') }}</ui-input>
 			<ui-input v-model="name">{{ $t('instance-name') }}</ui-input>
 			<ui-textarea v-model="description">{{ $t('instance-description') }}</ui-textarea>
-			<ui-input v-model="logoUrl"><i slot="icon"><fa icon="link"/></i>{{ $t('logo-url') }}</ui-input>
+			<ui-input v-model="mascotImageUrl"><i slot="icon"><fa icon="link"/></i>{{ $t('logo-url') }}</ui-input>
 			<ui-input v-model="bannerUrl"><i slot="icon"><fa icon="link"/></i>{{ $t('banner-url') }}</ui-input>
 			<ui-input v-model="errorImageUrl"><i slot="icon"><fa icon="link"/></i>{{ $t('error-image-url') }}</ui-input>
 			<ui-input v-model="languages"><i slot="icon"><fa icon="language"/></i>{{ $t('languages') }}<span slot="desc">{{ $t('languages-desc') }}</span></ui-input>
@@ -150,7 +150,7 @@ export default Vue.extend({
 			maintainerEmail: null,
 			disableRegistration: false,
 			disableLocalTimeline: false,
-			logoUrl: null,
+			mascotImageUrl: null,
 			bannerUrl: null,
 			errorImageUrl: null,
 			name: null,
@@ -198,7 +198,7 @@ export default Vue.extend({
 			this.maintainerEmail = meta.maintainer.email;
 			this.disableRegistration = meta.disableRegistration;
 			this.disableLocalTimeline = meta.disableLocalTimeline;
-			this.logoUrl = meta.logoUrl;
+			this.mascotImageUrl = meta.mascotImageUrl;
 			this.bannerUrl = meta.bannerUrl;
 			this.errorImageUrl = meta.errorImageUrl;
 			this.name = meta.name;
@@ -256,7 +256,7 @@ export default Vue.extend({
 				maintainerEmail: this.maintainerEmail,
 				disableRegistration: this.disableRegistration,
 				disableLocalTimeline: this.disableLocalTimeline,
-				logoUrl: this.logoUrl,
+				mascotImageUrl: this.mascotImageUrl,
 				bannerUrl: this.bannerUrl,
 				errorImageUrl: this.errorImageUrl,
 				name: this.name,
diff --git a/src/client/app/desktop/views/pages/welcome.vue b/src/client/app/desktop/views/pages/welcome.vue
index 0aa864546..88a11eafa 100644
--- a/src/client/app/desktop/views/pages/welcome.vue
+++ b/src/client/app/desktop/views/pages/welcome.vue
@@ -35,7 +35,7 @@
 						<span class="signin" @click="signin">{{ $t('signin') }}</span>
 					</p>
 
-					<img :src="meta.logoUrl || '/assets/ai.png'" alt="" title="藍" class="char">
+					<img :src="meta.mascotImageUrl" alt="" title="藍" class="char">
 				</div>
 			</div>
 
diff --git a/src/misc/fetch-meta.ts b/src/misc/fetch-meta.ts
index 138646e88..e6488da39 100644
--- a/src/misc/fetch-meta.ts
+++ b/src/misc/fetch-meta.ts
@@ -19,7 +19,7 @@ const defaultMeta: any = {
 	enableExternalUserRecommendation: false,
 	externalUserRecommendationEngine: 'https://vinayaka.distsn.org/cgi-bin/vinayaka-user-match-misskey-api.cgi?{{host}}+{{user}}+{{limit}}+{{offset}}',
 	externalUserRecommendationTimeout: 300000,
-	logoUrl: '/assets/ai.png',
+	mascotImageUrl: '/assets/ai.png',
 	errorImageUrl: 'https://ai.misskey.xyz/aiart/yubitun.png',
 	enableServiceWorker: false
 };
diff --git a/src/models/meta.ts b/src/models/meta.ts
index b68ec43f1..daa7964d6 100644
--- a/src/models/meta.ts
+++ b/src/models/meta.ts
@@ -185,7 +185,7 @@ export type IMeta = {
 	disableRegistration?: boolean;
 	disableLocalTimeline?: boolean;
 	hidedTags?: string[];
-	logoUrl?: string;
+	mascotImageUrl?: string;
 	bannerUrl?: string;
 	errorImageUrl?: string;
 
diff --git a/src/server/api/endpoints/admin/update-meta.ts b/src/server/api/endpoints/admin/update-meta.ts
index f84192792..cf117ebd7 100644
--- a/src/server/api/endpoints/admin/update-meta.ts
+++ b/src/server/api/endpoints/admin/update-meta.ts
@@ -39,10 +39,10 @@ export const meta = {
 			}
 		},
 
-		logoUrl: {
+		mascotImageUrl: {
 			validator: $.str.optional.nullable,
 			desc: {
-				'ja-JP': 'インスタンスロゴ画像のURL'
+				'ja-JP': 'インスタンスキャラクター画像のURL'
 			}
 		},
 
@@ -335,8 +335,8 @@ export default define(meta, (ps) => new Promise(async (res, rej) => {
 		set.hidedTags = ps.hidedTags;
 	}
 
-	if (ps.logoUrl !== undefined) {
-		set.logoUrl = ps.logoUrl;
+	if (ps.mascotImageUrl !== undefined) {
+		set.mascotImageUrl = ps.mascotImageUrl;
 	}
 
 	if (ps.bannerUrl !== undefined) {
diff --git a/src/server/api/endpoints/meta.ts b/src/server/api/endpoints/meta.ts
index 641c7728f..fa933513b 100644
--- a/src/server/api/endpoints/meta.ts
+++ b/src/server/api/endpoints/meta.ts
@@ -65,7 +65,7 @@ export default define(meta, (ps, me) => new Promise(async (res, rej) => {
 		enableRecaptcha: instance.enableRecaptcha,
 		recaptchaSiteKey: instance.recaptchaSiteKey,
 		swPublickey: instance.swPublicKey,
-		logoUrl: instance.logoUrl,
+		mascotImageUrl: instance.mascotImageUrl,
 		bannerUrl: instance.bannerUrl,
 		errorImageUrl: instance.errorImageUrl,
 		maxNoteTextLength: instance.maxNoteTextLength,