diff --git a/migrations/002-bills.js b/migrations/002-bills.js
index 4f6f9d6a..df9db9a7 100644
--- a/migrations/002-bills.js
+++ b/migrations/002-bills.js
@@ -3,7 +3,7 @@
 var db = require('./db');
 
 exports.up = function(next) {
-  db.query('CREATE TABLE bills ( ' +
+  db.query('CREATE TABLE IF NOT EXISTS bills ( ' +
     'id uuid PRIMARY KEY, ' +
     'device_fingerprint text NOT NULL, ' +
     'denomination integer NOT NULL, ' +
diff --git a/migrations/003-device-events.js b/migrations/003-device-events.js
index 17e74c81..b0d103fe 100644
--- a/migrations/003-device-events.js
+++ b/migrations/003-device-events.js
@@ -3,7 +3,7 @@
 var db = require('./db');
 
 exports.up = function(next) {
-  db.query('CREATE TABLE machine_events ( ' +
+  db.query('CREATE TABLE IF NOT EXISTS machine_events ( ' +
     'id uuid PRIMARY KEY, ' +
     'device_fingerprint text NOT NULL, ' +
     'event_type text NOT NULL, ' +