diff --git a/master/hosts.conf b/master/hosts.conf
index 7e35e58..33fb160 100644
--- a/master/hosts.conf
+++ b/master/hosts.conf
@@ -18,12 +18,12 @@ object Host "beholder" {
     http_uri = "/"
     http_vhost = "beholder.cacert.org"
     http_headerstring = "Location: https://beholder.cacert.org/"
-    http_ipv4 = True
+    http_ipv4 = true
   }
   vars.http_vhosts["http redirect v6"] = {
     http_uri = "/"
     http_vhost = "beholder.cacert.org"
     http_headerstring = "Location: https://beholder.cacert.org/"
-    http_ipv6 = True
+    http_ipv6 = true
   }
 }