diff --git a/openflexure_microscope/api/app.py b/openflexure_microscope/api/app.py
index 8f6deb69..e133e445 100644
--- a/openflexure_microscope/api/app.py
+++ b/openflexure_microscope/api/app.py
@@ -18,6 +18,8 @@ from flask import (
 from flask.views import MethodView
 from werkzeug.exceptions import default_exceptions
 
+from flask_cors import CORS
+
 from openflexure_microscope.api.utilities import list_routes
 
 from openflexure_microscope import Microscope, config
@@ -47,6 +49,8 @@ def uri(suffix, api_version, base=None):
 app = Flask(__name__)
 app.url_map.strict_slashes = False
 
+CORS(app, resources=r'/api/*')
+
 
 # Make errors more API friendly