diff --git a/gatsby-node.js b/gatsby-node.js
index bfe80bf..c622719 100644
--- a/gatsby-node.js
+++ b/gatsby-node.js
@@ -5,7 +5,7 @@ const select = require(`unist-util-select`)
 const fs = require(`fs-extra`)
 
 exports.createPages = ({ graphql, boundActionCreators }) => {
-  const { upsertPage } = boundActionCreators
+  const { createPage } = boundActionCreators
 
   return new Promise((resolve, reject) => {
     const pages = []
@@ -33,7 +33,7 @@ exports.createPages = ({ graphql, boundActionCreators }) => {
 
         // Create blog posts pages.
         _.each(result.data.allMarkdownRemark.edges, edge => {
-          upsertPage({
+          createPage({
             path: edge.node.fields.slug, // required
             component: blogPost,
             context: {
@@ -47,15 +47,15 @@ exports.createPages = ({ graphql, boundActionCreators }) => {
 }
 
 // Add custom slug for blog posts to both File and MarkdownRemark nodes.
-exports.onNodeCreate = ({ node, boundActionCreators, getNode }) => {
-  const { addFieldToNode } = boundActionCreators
+exports.onCreateNode = ({ node, boundActionCreators, getNode }) => {
+  const { createNodeField } = boundActionCreators
   if (node.internal.type === `File`) {
     const parsedFilePath = path.parse(node.relativePath)
     const slug = `/${parsedFilePath.dir}/`
-    addFieldToNode({ node, fieldName: `slug`, fieldValue: slug })
+    createNodeField({ node, fieldName: `slug`, fieldValue: slug })
   } else if (node.internal.type === `MarkdownRemark`) {
     const fileNode = getNode(node.parent)
-    addFieldToNode({
+    createNodeField({
       node,
       fieldName: `slug`,
       fieldValue: fileNode.fields.slug,