diff --git a/lib/context.js b/lib/context.js
index 90c0c32..0b80a6d 100644
--- a/lib/context.js
+++ b/lib/context.js
@@ -272,7 +272,7 @@ class ContextSession {
     const externalKey = this.externalKey;
 
     if (externalKey) await this.store.destroy(externalKey);
-    ctx.cookies.set(key, '', opts);
+    ctx.cookies.set(key, '', { maxAge: -1 });
   }
 
   /**