diff --git a/mirror.run b/mirror.run
index 8fe80e7..3c2dca7 100644
--- a/mirror.run
+++ b/mirror.run
@@ -1,4 +1,5 @@
 #!/bin/bash
 
 cd /opt/mirror && make
-sleep 21600
+
+sleep ${MIRROR_INTERVAL_SECONDS:-43200}
diff --git a/mirror/Makefile b/mirror/Makefile
index 72b51fa..9f05f67 100644
--- a/mirror/Makefile
+++ b/mirror/Makefile
@@ -3,4 +3,4 @@
 default: mirror
 
 mirror:
-	run-one-until-success bash mirror.sh
+	run-one-until-success bash syncubuntu.sh
diff --git a/mirror/syncubuntu.sh b/mirror/syncubuntu.sh
index 5cefbc0..bd69c61 100755
--- a/mirror/syncubuntu.sh
+++ b/mirror/syncubuntu.sh
@@ -8,7 +8,7 @@ debmirror \
 	-a i386,amd64 \
 	--no-source \
 	-s main,restricted,universe,multiverse \
-	-h ${UBUNTU_MIRROR_SOURCE:-archive.ubuntu.com}
+	-h ${UBUNTU_MIRROR_SOURCE:-archive.ubuntu.com} \
 	-d trusty,trusty-updates,trusty-security,trusty-backports \
 	-d xenial,xenial-updates,xenial-security,xenial-backports \
 	-r /ubuntu \