diff --git a/pages/api/authorize.js b/pages/api/authorize.js
index 3989f2d..3e13e54 100644
--- a/pages/api/authorize.js
+++ b/pages/api/authorize.js
@@ -27,7 +27,7 @@ const AuthorizeParams = new Archetype({
 }).compile('AuthorizeParams');
 
 
-export default async function handler(req, res) {
+module.exports = async function handler(req, res) {
   try {
     const params = new AuthorizeParams(req.query);
     const authorized = await oso.authorize(
diff --git a/pages/api/deleteFact.js b/pages/api/deleteFact.js
index 52d656a..aaa3bfe 100644
--- a/pages/api/deleteFact.js
+++ b/pages/api/deleteFact.js
@@ -40,7 +40,7 @@ const DeleteFactParams = new Archetype({
   }
 }).compile('DeleteFactParams');
 
-export default async function handler(req, res) {
+module.exports = async function handler(req, res) {
   try {
     const params = new DeleteFactParams(req.body);
     if (params.factType === 'role') {
diff --git a/pages/api/facts.js b/pages/api/facts.js
index a0bb269..b0bd307 100644
--- a/pages/api/facts.js
+++ b/pages/api/facts.js
@@ -14,7 +14,7 @@ const FactsParams = new Archetype({
   }
 }).compile('FactsParams');
 
-export default async function handler(req, res) {
+module.exports = async function handler(req, res) {
   try {
     const params = new FactsParams(req.body);
     const facts = [];
diff --git a/pages/api/leaderboard.js b/pages/api/leaderboard.js
index cef8235..dfcd0ef 100644
--- a/pages/api/leaderboard.js
+++ b/pages/api/leaderboard.js
@@ -3,7 +3,7 @@
 const Player = require('../../db/player');
 const connect = require('../../db/connect');
 
-export default async function handler(req, res) {
+module.exports = async function handler(req, res) {
   try {
     await connect();
   
diff --git a/pages/api/resumeGame.js b/pages/api/resumeGame.js
index 5782217..bc55d00 100644
--- a/pages/api/resumeGame.js
+++ b/pages/api/resumeGame.js
@@ -11,7 +11,7 @@ const ResumeGameParams = new Archetype({
   }
 }).compile('ResumeGameParams');
 
-export default async function handler(req, res) {
+module.exports = async function handler(req, res) {
   try {
     const { sessionId } = new ResumeGameParams(req.query);
 
diff --git a/pages/api/startGame.js b/pages/api/startGame.js
index bc3c86e..029a8b1 100644
--- a/pages/api/startGame.js
+++ b/pages/api/startGame.js
@@ -20,7 +20,7 @@ const StartGameParams = new Archetype({
   }
 }).compile('StartGameParams');
 
-export default async function handler(req, res) {
+module.exports = async function handler(req, res) {
   try {
     const { sessionId, name, email } = new StartGameParams(req.body);
 
diff --git a/pages/api/tell.js b/pages/api/tell.js
index bbbae0b..290a732 100644
--- a/pages/api/tell.js
+++ b/pages/api/tell.js
@@ -40,7 +40,7 @@ const TellParams = new Archetype({
   }
 }).compile('TellParams');
 
-export default async function handler(req, res) {
+module.exports = async function handler(req, res) {
   try {
     const params = new TellParams(req.body);
     assert.ok(
diff --git a/pages/api/verifySolutionForLevel.js b/pages/api/verifySolutionForLevel.js
index b83d7ad..2359886 100644
--- a/pages/api/verifySolutionForLevel.js
+++ b/pages/api/verifySolutionForLevel.js
@@ -23,7 +23,7 @@ const constraintsByLevel = require('../../levels').map(level => level.constraint
 
 const parByLevel = require('../../levels').map(level => level.par);
 
-export default async function handler(req, res) {
+module.exports = async function handler(req, res) {
   try {
     const { sessionId, level } = new VerifySolutionForLevelParams(req.body);