diff --git a/app.py b/app.py
index 9e34efb..2226e93 100644
--- a/app.py
+++ b/app.py
@@ -33,6 +33,7 @@
 
 data_dir = os.path.join(os.path.abspath(''),'data')
 image_dir = os.path.join('assets/images')
+assets_dir = os.path.join('assets')
 static_image_route = '/static/'
 
 # We download each csv and store it in a pd.DataFrame
@@ -338,8 +339,9 @@ def convertList_hex2rgba(hex_list):
 
 mapCI = go.Figure(
     data=go.Choropleth(
-        geojson=os.path.join(data_dir, 'world.geo.json'),
+        geojson='data/world-geo-json',
         locations = map_df.ISO3,
+        featureidkey="properties.ISO_A3",
         locationmode='geojson-id',
         z=map_df.carbonIntensity.astype(float),
         colorscale=myColors['map1'],
@@ -2248,10 +2250,13 @@ def fillin_report_text(aggData, data):
 # Loader IO
 @app.server.route('/loaderio-1360e50f4009cc7a15a00c7087429524/')
 def download_loader():
-    return send_file('assets/loaderio-1360e50f4009cc7a15a00c7087429524.txt',
-                     mimetype='text/plain',
-                     attachment_filename='loaderio-1360e50f4009cc7a15a00c7087429524.txt',
+    return send_file(os.path.join(assets_dir, 'loaderio-1360e50f4009cc7a15a00c7087429524.txt'),
                      as_attachment=True)
+# world.geo.json
+@app.server.route('/data/world-geo-json')
+def download_world_geo_json():
+    return send_file(os.path.join(data_dir, 'world.geo.json'))
+
 
 if __name__ == '__main__':
     # allows app to update when code is changed!