diff --git a/apache/wsgi.py b/apache/wsgi.py
index 18b52e7..e677742 100644
--- a/apache/wsgi.py
+++ b/apache/wsgi.py
@@ -1,7 +1,16 @@
 #!/usr/local/bin/python3
 import os
 
+from werkzeug.wsgi import DispatcherMiddleware
+
 from trendlines import create_app
 
 os.environ['TRENDLINES_CONFIG_FILE'] = "/data/trendlines.cfg"
 application = create_app()
+
+# Handle cases where we're behind a proxy that is modifying our URL.
+if application.config.get('URL_PREFIX', None) is not None:
+    application = DispatcherMiddleware(
+        application,
+        {application.config['URL_PREFIX']: application}
+    )