diff --git a/packages/backend/src/server/api/mastodon/converters.ts b/packages/backend/src/server/api/mastodon/converters.ts
index 60e25c0df..326d3a1d5 100644
--- a/packages/backend/src/server/api/mastodon/converters.ts
+++ b/packages/backend/src/server/api/mastodon/converters.ts
@@ -278,7 +278,7 @@ export class MastoConverters {
 			reactions: status.emoji_reactions,
 			emoji_reactions: status.emoji_reactions,
 			bookmarked: false,
-			quote: isQuote ? await this.convertReblog(status.reblog) : false,
+			quote: isQuote ? await this.convertReblog(status.reblog) : null,
 			// optional chaining cannot be used, as it evaluates to undefined, not null
 			edited_at: note.updatedAt ? note.updatedAt.toISOString() : null,
 		});
diff --git a/packages/megalodon/src/entities/status.ts b/packages/megalodon/src/entities/status.ts
index a38e1ea9f..8ef473d27 100644
--- a/packages/megalodon/src/entities/status.ts
+++ b/packages/megalodon/src/entities/status.ts
@@ -39,7 +39,7 @@ namespace Entity {
     language: string | null
     pinned: boolean | null
     emoji_reactions: Array<Reaction>
-    quote: Status | boolean
+    quote: Status | boolean | null
     bookmarked: boolean
   }
 
diff --git a/packages/megalodon/src/misskey/api_client.ts b/packages/megalodon/src/misskey/api_client.ts
index 059169111..8996b802c 100644
--- a/packages/megalodon/src/misskey/api_client.ts
+++ b/packages/megalodon/src/misskey/api_client.ts
@@ -304,7 +304,7 @@ namespace MisskeyAPI {
         pinned: null,
         emoji_reactions: typeof n.reactions === 'object' ? mapReactions(n.reactions, n.myReaction) : [],
         bookmarked: false,
-        quote: n.renote && n.text ? note(n.renote, n.user.host ? n.user.host : host ? host : null) : false
+        quote: n.renote && n.text ? note(n.renote, n.user.host ? n.user.host : host ? host : null) : null
       }
     }