diff --git a/packages/gatsby/src/cache-dir/component-renderer.js b/packages/gatsby/src/cache-dir/component-renderer.js
index b3162c57e1a9d..2dc2d5696ed65 100644
--- a/packages/gatsby/src/cache-dir/component-renderer.js
+++ b/packages/gatsby/src/cache-dir/component-renderer.js
@@ -68,6 +68,7 @@ class ComponentRenderer extends React.Component {
   render() {
     if (this.state.pageResources) {
       return createElement(this.state.pageResources.component, {
+        key: this.props.location.pathname,
         ...this.props,
         ...this.state.pageResources.json,
       })