diff --git a/packages/backend/test/e2e/note.ts b/packages/backend/test/e2e/note.ts
index bda31d9640..9bfcfffdcb 100644
--- a/packages/backend/test/e2e/note.ts
+++ b/packages/backend/test/e2e/note.ts
@@ -364,7 +364,7 @@ describe('Note', () => {
 			assert.strictEqual(res.status, 200);
 			assert.strictEqual(Array.isArray(res.body), true);
 			const myNote = res.body.find((note: { id: string; files: { id: string }[] }) => note.id === createdNote.body.createdNote.id);
-			assert.notEqual(myNote, null);
+			assert.ok(myNote);
 			assert.strictEqual(myNote.files.length, 1);
 			assert.strictEqual(myNote.files[0].id, file.body!.id);
 		});
@@ -389,7 +389,7 @@ describe('Note', () => {
 			assert.strictEqual(res.status, 200);
 			assert.strictEqual(Array.isArray(res.body), true);
 			const myNote = res.body.find((note: { id: string }) => note.id === renoted.body.createdNote.id);
-			assert.notEqual(myNote, null);
+			assert.ok(myNote);
 			assert.strictEqual(myNote.renote.files.length, 1);
 			assert.strictEqual(myNote.renote.files[0].id, file.body!.id);
 		});
@@ -415,7 +415,7 @@ describe('Note', () => {
 			assert.strictEqual(res.status, 200);
 			assert.strictEqual(Array.isArray(res.body), true);
 			const myNote = res.body.find((note: { id: string }) => note.id === reply.body.createdNote.id);
-			assert.notEqual(myNote, null);
+			assert.ok(myNote);
 			assert.strictEqual(myNote.reply.files.length, 1);
 			assert.strictEqual(myNote.reply.files[0].id, file.body!.id);
 		});
@@ -446,7 +446,7 @@ describe('Note', () => {
 			assert.strictEqual(res.status, 200);
 			assert.strictEqual(Array.isArray(res.body), true);
 			const myNote = res.body.find((note: { id: string }) => note.id === renoted.body.createdNote.id);
-			assert.notEqual(myNote, null);
+			assert.ok(myNote);
 			assert.strictEqual(myNote.renote.reply.files.length, 1);
 			assert.strictEqual(myNote.renote.reply.files[0].id, file.body!.id);
 		});