diff --git a/src/middleware/cookie/index.test.ts b/src/middleware/cookie/index.test.ts
index 23a3a396..2748599a 100644
--- a/src/middleware/cookie/index.test.ts
+++ b/src/middleware/cookie/index.test.ts
@@ -42,7 +42,7 @@ describe('Cookie Middleware', () => {
   app.use('/set-cookie-complex', cookie())
 
   app.get('/set-cookie-complex', (c) => {
-    c.cookie('greate_cookie', 'banana', {
+    c.cookie('great_cookie', 'banana', {
       path: '/',
       secure: true,
       domain: 'example.com',
@@ -60,7 +60,7 @@ describe('Cookie Middleware', () => {
     expect(res.status).toBe(200)
     const header = res.headers.get('Set-Cookie')
     expect(header).toBe(
-      'greate_cookie=banana; Max-Age=1000; Domain=example.com; Path=/; Expires=Sun, 24 Dec 2000 10:30:59 GMT; HttpOnly; Secure; SameSaite=Strict'
+      'great_cookie=banana; Max-Age=1000; Domain=example.com; Path=/; Expires=Sun, 24 Dec 2000 10:30:59 GMT; HttpOnly; Secure; SameSite=Strict'
     )
   })
 })
diff --git a/src/middleware/cookie/index.ts b/src/middleware/cookie/index.ts
index d3b92546..13a0bbd7 100644
--- a/src/middleware/cookie/index.ts
+++ b/src/middleware/cookie/index.ts
@@ -79,7 +79,7 @@ const serialize = (name: string, value: string, opt: CookieOptions = {}): string
   }
 
   if (opt.sameSite) {
-    cookie += `; SameSaite=${opt.sameSite}`
+    cookie += `; SameSite=${opt.sameSite}`
   }
 
   return cookie