diff --git a/packages/backend/src/server/api/endpoints/notes/polls/vote.ts b/packages/backend/src/server/api/endpoints/notes/polls/vote.ts
index a6b86a7eb..331b03971 100644
--- a/packages/backend/src/server/api/endpoints/notes/polls/vote.ts
+++ b/packages/backend/src/server/api/endpoints/notes/polls/vote.ts
@@ -137,7 +137,7 @@ export default define(meta, paramDef, async (ps, user) => {
 	});
 
 	// check if this thread and notification type is muted
-	const threadMuted = await NoteThreadMutings.findOne({
+	const threadMuted = await NoteThreadMutings.findOneBy({
 		userId: note.userId,
 		threadId: note.threadId || note.id,
 		mutingNotificationTypes: ArrayOverlap(['pollVote']),
diff --git a/packages/backend/src/services/note/polls/vote.ts b/packages/backend/src/services/note/polls/vote.ts
index 057e29005..90be1c844 100644
--- a/packages/backend/src/services/note/polls/vote.ts
+++ b/packages/backend/src/services/note/polls/vote.ts
@@ -58,7 +58,7 @@ export default async function(user: CacheableUser, note: Note, choice: number) {
 	});
 
 	// check if this thread and notification type is muted
-	const muted = await NoteThreadMutings.findOne({
+	const muted = await NoteThreadMutings.findOneBy({
 		userId: note.userId,
 		threadId: note.threadId || note.id,
 		mutingNotificationTypes: ArrayOverlap(['pollVote']),
diff --git a/packages/backend/src/services/note/reaction/create.ts b/packages/backend/src/services/note/reaction/create.ts
index 9d3882a0c..2bd19b685 100644
--- a/packages/backend/src/services/note/reaction/create.ts
+++ b/packages/backend/src/services/note/reaction/create.ts
@@ -99,7 +99,7 @@ export default async (user: { id: User['id']; host: User['host']; }, note: Note,
 	});
 
 	// check if this thread is muted
-	const threadMuted = await NoteThreadMutings.findOne({
+	const threadMuted = await NoteThreadMutings.findOneBy({
 		userId: note.userId,
 		threadId: note.threadId || note.id,
 		mutingNotificationTypes: ArrayOverlap(['reaction']),