diff --git a/README.markdown b/README.markdown
index f4a983b..db194c1 100644
--- a/README.markdown
+++ b/README.markdown
@@ -23,6 +23,9 @@ Then even your builds (where you can't specify links) will go fast.
     * default `archive.ubuntu.com`.
     * You may want `xx.archive.ubuntu.com` (where `xx` is your country
       code).
+* `MIRROR_INTERVAL_SECONDS` - mirror sync interval
+    * default `43200` (12h)
+    * You may want `10800` (3h)
 
 # Example dnsmasq setup
 
diff --git a/docker-compose.yml b/docker-compose.yml
index c3a2c65..25990a6 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -6,7 +6,7 @@ services:
         image: sneak/ubuntumirror
         network_mode: bridge
         volumes:
-            - "/storage/nobackup/mirrors:/var/mirror"
+            - "/var/mirror:/var/mirror"
         ports:
             - "172.17.0.1:80:80"
         environment:
diff --git a/mirror.run b/mirror.run
index 3c2dca7..23f6690 100644
--- a/mirror.run
+++ b/mirror.run
@@ -1,5 +1,8 @@
 #!/bin/bash
 
+# HOME isn't set up for some reason
+export HOME=/root
+
 cd /opt/mirror && make
 
 sleep ${MIRROR_INTERVAL_SECONDS:-43200}
diff --git a/mirror/syncubuntu.sh b/mirror/syncubuntu.sh
index 964b341..23a713f 100755
--- a/mirror/syncubuntu.sh
+++ b/mirror/syncubuntu.sh
@@ -4,6 +4,8 @@ set -x
 THISDIR="$(cd $(dirname "$BASH_SOURCE") && pwd -P)"
 DST="/var/mirror"
 
+mkdir -p "$DST/ubuntu"
+
 export GNUPGHOME="/etc/debmirror/ubuntu"
 
 debmirror \