diff --git a/person_detection/app.py b/person_detection/app.py
index fc0b9c7..bc72e96 100644
--- a/person_detection/app.py
+++ b/person_detection/app.py
@@ -8,6 +8,7 @@
 from flask import Flask, render_template, Response
 from argparse import ArgumentParser, SUPPRESS
 
+import config
 from person_detection import Camera
 
 
@@ -16,9 +17,9 @@
 
 @app.route('/')
 def index():
+    global cameras
     """Video streaming home page."""
-    return render_template('index.html', devices=[0, 1, 2, 3])
-
+    return render_template('index.html', devices=config.cameras)
 
 def gen(camera):
     """Video streaming generator function."""