diff --git a/packages/backend/src/core/CustomEmojiService.ts b/packages/backend/src/core/CustomEmojiService.ts
index 1c7556675..b1feca7fb 100644
--- a/packages/backend/src/core/CustomEmojiService.ts
+++ b/packages/backend/src/core/CustomEmojiService.ts
@@ -346,10 +346,11 @@ export class CustomEmojiService implements OnApplicationShutdown {
 	@bindThis
 	public async populateEmojis(emojiNames: string[], noteUserHost: string | null): Promise<Record<string, string>> {
 		const emojis = await Promise.all(emojiNames.map(x => this.populateEmoji(x, noteUserHost)));
-		const res = {} as any;
+		const res = {} as Record<string, string>;
 		for (let i = 0; i < emojiNames.length; i++) {
-			if (emojis[i] != null) {
-				res[emojiNames[i]] = emojis[i];
+			const resolvedEmoji = emojis[i];
+			if (resolvedEmoji != null) {
+				res[emojiNames[i]] = resolvedEmoji;
 			}
 		}
 		return res;