diff --git a/scripts/autoserve.py b/scripts/autoserve.py
index 6e69025..4c7739e 100644
--- a/scripts/autoserve.py
+++ b/scripts/autoserve.py
@@ -10,7 +10,7 @@ import select
 
 import inotify.adapters
 
-PORT = 8000
+PORT = int(os.getenv('PORT', 8000))
 
 THIS_DIR = os.path.dirname(os.path.abspath(__file__))