diff --git a/updatemirror.sh b/updatemirror.sh
index e1e2325..025c0bf 100644
--- a/updatemirror.sh
+++ b/updatemirror.sh
@@ -33,7 +33,7 @@ function main () {
 
     echo "Changing mirror country to US as a first approximation..." > /dev/stderr
     find /etc/apt/sources.list.d/ -type f -exec \
-      sed -i "s|archive\.ubuntu\.com|us.ubuntu.com|g" {} +
+      sed -i "s|archive\.ubuntu\.com|us.archive.ubuntu.com|g" {} +
 
     echo "Detecting actual country..." > /dev/stderr