diff --git a/packages/http-cache/__tests__/renderRouteCallback.spec.ts b/packages/http-cache/__tests__/renderRouteCallback.spec.ts
index 9497cc8801..ac23e9a372 100644
--- a/packages/http-cache/__tests__/renderRouteCallback.spec.ts
+++ b/packages/http-cache/__tests__/renderRouteCallback.spec.ts
@@ -6,7 +6,8 @@ import renderRouteCallback from '../nuxt/renderRouteCallback';
 const response = {
   res: {
     setHeader: jest.fn(),
-    removeHeader: jest.fn()
+    removeHeader: jest.fn(),
+    headersSent: false
   }
 };
 
@@ -16,6 +17,9 @@ const response = {
 jest.mock('../nuxt/isUrlMatchingRule', () => jest.fn(() => true));
 
 describe('renderRouteCallback', () => {
+  beforeEach(() => {
+    jest.clearAllMocks();
+  });
   it('adds default cache-control header', () => {
     const options = {};
 
@@ -60,4 +64,10 @@ describe('renderRouteCallback', () => {
     renderRouteCallback(options)('/c/123', null, response);
     expect(response.res.removeHeader).toBeCalledWith('Cache-Control');
   });
+
+  it('does not set headers if they had been sent already', () => {
+    const options = {};
+    renderRouteCallback(options)('/c/123', null, { res: { ...response.res, headersSent: true }});
+    expect(response.res.setHeader).toHaveBeenCalledTimes(0);
+  });
 });
diff --git a/packages/http-cache/nuxt/renderRouteCallback.ts b/packages/http-cache/nuxt/renderRouteCallback.ts
index e36597bba8..83217ed186 100644
--- a/packages/http-cache/nuxt/renderRouteCallback.ts
+++ b/packages/http-cache/nuxt/renderRouteCallback.ts
@@ -2,6 +2,7 @@ import isUrlMatchingRule from './isUrlMatchingRule';
 import { HttpCacheModuleParams } from './types';
 
 const renderRouteCallback = ({ default: defaultHeaderValue = 'max-age=60', matchRoute = {} }: HttpCacheModuleParams) => (url, result, { res }): void => {
+  if (res.headersSent) return;
   res.setHeader('Cache-Control', defaultHeaderValue);
 
   Object.entries(matchRoute).map(([rule, headerValue]: [string, string]): void => {