diff --git a/tubearchivist/config/settings.py b/tubearchivist/config/settings.py
index 8c222ca..87e283e 100644
--- a/tubearchivist/config/settings.py
+++ b/tubearchivist/config/settings.py
@@ -32,7 +32,9 @@ SECRET_KEY = PW_HASH.hexdigest()
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = bool(environ.get("DJANGO_DEBUG"))
 
-ALLOWED_HOSTS = [i.strip() for i in environ.get("TA_HOST").split()]
+ALLOWED_HOSTS = []
+if environ.get("TA_HOST"):
+    ALLOWED_HOSTS = [i.strip() for i in environ.get("TA_HOST").split()]
 
 CSRF_TRUSTED_ORIGINS = []
 for host in ALLOWED_HOSTS: