diff --git a/lib/policies/jwt/index.js b/lib/policies/jwt/index.js
index 3ab340470..6d749bad7 100644
--- a/lib/policies/jwt/index.js
+++ b/lib/policies/jwt/index.js
@@ -41,6 +41,7 @@ module.exports = {
       },
       algorithms: {
         type: 'array',
+        items: { type: 'string', enum: ['HS256', 'HS384', 'HS512', 'RS256', 'RS384', 'RS512'] },
         description: 'If defined, limits valid jwts to specified algorithms'
       }
     },