diff --git a/packages/backend/migration/1000000000000-Init.js b/packages/backend/migration/1000000000000-Init.js
index c07500e358..d32a6e0d25 100644
--- a/packages/backend/migration/1000000000000-Init.js
+++ b/packages/backend/migration/1000000000000-Init.js
@@ -220,7 +220,7 @@ export class Init1000000000000 {
 			`CREATE INDEX "IDX_3c601b70a1066d2c8b517094cb" ON "notification" ("notifieeId") `,
 		);
 		await queryRunner.query(
-			`CREATE TABLE "meta" ("id" character varying(32) NOT NULL, "name" character varying(128), "description" character varying(1024), "maintainerName" character varying(128), "maintainerEmail" character varying(128), "announcements" jsonb NOT NULL DEFAULT '[]', "disableRegistration" boolean NOT NULL DEFAULT false, "disableLocalTimeline" boolean NOT NULL DEFAULT false, "disableGlobalTimeline" boolean NOT NULL DEFAULT false, "enableEmojiReaction" boolean NOT NULL DEFAULT true, "useStarForReactionFallback" boolean NOT NULL DEFAULT false, "langs" character varying(64) array NOT NULL DEFAULT '{}'::varchar[], "hiddenTags" character varying(256) array NOT NULL DEFAULT '{}'::varchar[], "blockedHosts" character varying(256) array NOT NULL DEFAULT '{}'::varchar[], "mascotImageUrl" character varying(512) DEFAULT '/assets/ai.png', "bannerUrl" character varying(512), "errorImageUrl" character varying(512) DEFAULT 'https://xn--931a.moe/aiart/yubitun.png', "iconUrl" character varying(512), "cacheRemoteFiles" boolean NOT NULL DEFAULT true, "proxyAccount" character varying(128), "enableRecaptcha" boolean NOT NULL DEFAULT false, "recaptchaSiteKey" character varying(64), "recaptchaSecretKey" character varying(64), "localDriveCapacityMb" integer NOT NULL DEFAULT 1024, "remoteDriveCapacityMb" integer NOT NULL DEFAULT 32, "maxNoteTextLength" integer NOT NULL DEFAULT 500, "summalyProxy" character varying(128), "enableEmail" boolean NOT NULL DEFAULT false, "email" character varying(128), "smtpSecure" boolean NOT NULL DEFAULT false, "smtpHost" character varying(128), "smtpPort" integer, "smtpUser" character varying(128), "smtpPass" character varying(128), "enableServiceWorker" boolean NOT NULL DEFAULT false, "swPublicKey" character varying(128), "swPrivateKey" character varying(128), "enableTwitterIntegration" boolean NOT NULL DEFAULT false, "twitterConsumerKey" character varying(128), "twitterConsumerSecret" character varying(128), "enableGithubIntegration" boolean NOT NULL DEFAULT false, "githubClientId" character varying(128), "githubClientSecret" character varying(128), "enableDiscordIntegration" boolean NOT NULL DEFAULT false, "discordClientId" character varying(128), "discordClientSecret" character varying(128), CONSTRAINT "PK_c4c17a6c2bd7651338b60fc590b" PRIMARY KEY ("id"))`,
+			`CREATE TABLE "meta" ("id" character varying(32) NOT NULL, "name" character varying(128), "description" character varying(1024), "maintainerName" character varying(128), "maintainerEmail" character varying(128), "announcements" jsonb NOT NULL DEFAULT '[]', "disableRegistration" boolean NOT NULL DEFAULT false, "disableLocalTimeline" boolean NOT NULL DEFAULT false, "disableGlobalTimeline" boolean NOT NULL DEFAULT false, "enableEmojiReaction" boolean NOT NULL DEFAULT true, "useStarForReactionFallback" boolean NOT NULL DEFAULT false, "langs" character varying(64) array NOT NULL DEFAULT '{}'::varchar[], "hiddenTags" character varying(256) array NOT NULL DEFAULT '{}'::varchar[], "blockedHosts" character varying(256) array NOT NULL DEFAULT '{}'::varchar[], "mascotImageUrl" character varying(512) DEFAULT '/static-assets/badges/info.png', "bannerUrl" character varying(512), "errorImageUrl" character varying(512) DEFAULT '/static-assets/badges/error.png', "iconUrl" character varying(512), "cacheRemoteFiles" boolean NOT NULL DEFAULT true, "proxyAccount" character varying(128), "enableRecaptcha" boolean NOT NULL DEFAULT false, "recaptchaSiteKey" character varying(64), "recaptchaSecretKey" character varying(64), "localDriveCapacityMb" integer NOT NULL DEFAULT 1024, "remoteDriveCapacityMb" integer NOT NULL DEFAULT 32, "maxNoteTextLength" integer NOT NULL DEFAULT 500, "summalyProxy" character varying(128), "enableEmail" boolean NOT NULL DEFAULT false, "email" character varying(128), "smtpSecure" boolean NOT NULL DEFAULT false, "smtpHost" character varying(128), "smtpPort" integer, "smtpUser" character varying(128), "smtpPass" character varying(128), "enableServiceWorker" boolean NOT NULL DEFAULT false, "swPublicKey" character varying(128), "swPrivateKey" character varying(128), "enableTwitterIntegration" boolean NOT NULL DEFAULT false, "twitterConsumerKey" character varying(128), "twitterConsumerSecret" character varying(128), "enableGithubIntegration" boolean NOT NULL DEFAULT false, "githubClientId" character varying(128), "githubClientSecret" character varying(128), "enableDiscordIntegration" boolean NOT NULL DEFAULT false, "discordClientId" character varying(128), "discordClientSecret" character varying(128), CONSTRAINT "PK_c4c17a6c2bd7651338b60fc590b" PRIMARY KEY ("id"))`,
 		);
 		await queryRunner.query(
 			`CREATE TABLE "following" ("id" character varying(32) NOT NULL, "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL, "followeeId" character varying(32) NOT NULL, "followerId" character varying(32) NOT NULL, "followerHost" character varying(128), "followerInbox" character varying(512), "followerSharedInbox" character varying(512), "followeeHost" character varying(128), "followeeInbox" character varying(512), "followeeSharedInbox" character varying(512), CONSTRAINT "PK_c76c6e044bdf76ecf8bfb82a645" PRIMARY KEY ("id"))`,
diff --git a/packages/backend/src/models/entities/meta.ts b/packages/backend/src/models/entities/meta.ts
index 433ad0db56..b22c6510fa 100644
--- a/packages/backend/src/models/entities/meta.ts
+++ b/packages/backend/src/models/entities/meta.ts
@@ -162,7 +162,7 @@ export class Meta {
 	@Column("varchar", {
 		length: 512,
 		nullable: true,
-		default: "/assets/ai.png",
+		default: "/static-assets/badges/info.png",
 	})
 	public mascotImageUrl: string | null;
 
@@ -187,7 +187,7 @@ export class Meta {
 	@Column("varchar", {
 		length: 512,
 		nullable: true,
-		default: "https://xn--931a.moe/aiart/yubitun.png",
+		default: "/static-assets/badges/error.png",
 	})
 	public errorImageUrl: string | null;
 
diff --git a/packages/backend/src/server/api/endpoints/admin/meta.ts b/packages/backend/src/server/api/endpoints/admin/meta.ts
index 24c895cbb3..ad70310633 100644
--- a/packages/backend/src/server/api/endpoints/admin/meta.ts
+++ b/packages/backend/src/server/api/endpoints/admin/meta.ts
@@ -64,7 +64,7 @@ export const meta = {
 				type: "string",
 				optional: false,
 				nullable: false,
-				default: "/assets/ai.png",
+				default: "/static-assets/badges/info.png",
 			},
 			bannerUrl: {
 				type: "string",
@@ -75,7 +75,7 @@ export const meta = {
 				type: "string",
 				optional: false,
 				nullable: false,
-				default: "https://xn--931a.moe/aiart/yubitun.png",
+				default: "/static-assets/badges/error.png",
 			},
 			iconUrl: {
 				type: "string",
diff --git a/packages/backend/src/server/api/endpoints/meta.ts b/packages/backend/src/server/api/endpoints/meta.ts
index 23cfe40184..c603cb9acf 100644
--- a/packages/backend/src/server/api/endpoints/meta.ts
+++ b/packages/backend/src/server/api/endpoints/meta.ts
@@ -155,7 +155,7 @@ export const meta = {
 				type: "string",
 				optional: false,
 				nullable: false,
-				default: "/assets/ai.png",
+				default: "/static-assets/badges/info.png",
 			},
 			bannerUrl: {
 				type: "string",
@@ -166,7 +166,7 @@ export const meta = {
 				type: "string",
 				optional: false,
 				nullable: false,
-				default: "https://xn--931a.moe/aiart/yubitun.png",
+				default: "/static-assets/badges/error.png",
 			},
 			iconUrl: {
 				type: "string",