diff --git a/helpers/get-json-directory.js b/helpers/get-json-directory.js
new file mode 100644
index 0000000..f4bdbe2
--- /dev/null
+++ b/helpers/get-json-directory.js
@@ -0,0 +1,23 @@
+import fs from 'fs-extra'
+
+
+
+const directoriesToTry = [
+    './static/',
+
+    // Vercel Serverless Function
+    './.next/server/chunks/static'
+]
+
+export async function getJsonDirectory () {
+
+    for ( const directory of directoriesToTry ) {
+        const directoryExists = await fs.pathExists( directory )
+
+        if ( directoryExists ) {
+            return directory
+        }
+    }
+
+    throw new Error( 'Could not find json directory' )
+}
diff --git a/pages/formula/[...slug].js b/pages/formula/[...slug].js
index 4f54a68..b7730da 100644
--- a/pages/formula/[...slug].js
+++ b/pages/formula/[...slug].js
@@ -1,6 +1,7 @@
 import { promises as fs } from 'fs'
 
 import Layout from '@/components/layout/default.js'
+import { getJsonDirectory } from '@/helpers/get-json-directory.js';
 
 // Based on
 // https://github.com/lfades/static-tweet/blob/b2a1044d881cca88e7761491d4f22c8908497d92/pages/t/%5Btweet%5D.js
@@ -54,6 +55,10 @@ export async function getStaticProps({ params }) {
         const server = await fs.readdir('./.next/server')
         const chunks = await fs.readdir('./.next/server/chunks')
         const staticDirectory = await fs.readdir('./.next/server/chunks/static')
+        const jsonDirectory = await getJsonDirectory()
+
+
+        console.log('jsonDirectory', jsonDirectory)
 
         // console.log('endpointListings', endpointListings[0])
 
@@ -63,7 +68,8 @@ export async function getStaticProps({ params }) {
             dotnext,
             server,
             chunks,
-            staticDirectory
+            staticDirectory,
+            jsonDirectory
         }
 
         const start = '/formula/'