diff --git a/lib/schema.js b/lib/schema.js
index 376de4950..dfc262d4c 100755
--- a/lib/schema.js
+++ b/lib/schema.js
@@ -129,7 +129,8 @@ internals.routeBase = Joi.object({
         modify: Joi.boolean(),
         options: Joi.object()
     })
-        .without('modify', 'sample'),
+        .without('modify', 'sample')
+        .assert('options.stripUnknown', Joi.ref('modify'), 'meet requirement of having peer modify set to true'),
     security: Joi.object({
         hsts: [
             Joi.object({
diff --git a/test/validation.js b/test/validation.js
index 94bd9acdf..80067bebe 100755
--- a/test/validation.js
+++ b/test/validation.js
@@ -1585,6 +1585,34 @@ describe('validation', () => {
             done();
         });
     });
+
+    it('throws on options.stripUnknown without modify', (done) => {
+
+        const server = new Hapi.Server();
+        server.connection();
+
+        expect(() => {
+
+            server.route({
+                method: 'GET',
+                path: '/',
+                handler: function (request, reply) {
+
+                    return reply('ok');
+                },
+                config: {
+                    response: {
+                        schema: Joi.string(),
+                        options: {
+                            stripUnknown: true
+                        }
+                    }
+                }
+            });
+        }).to.throw(/"options.stripUnknown" failed to meet requirement of having peer modify set to true/);
+
+        done();
+    });
 });