diff --git a/debian/Dockerfile b/debian/Dockerfile
index 172679b..4733b36 100644
--- a/debian/Dockerfile
+++ b/debian/Dockerfile
@@ -2,4 +2,4 @@ FROM docker.io/debian:trixie
 
 ARG MIRROR=mirrors.aliyun.com
 
-RUN sed "s/deb.debian.org/${MIRROR}/" /etc/apt/sources.list.d/debian.sources -i
+RUN sed "s#deb.debian.org#${MIRROR}#" /etc/apt/sources.list.d/debian.sources -i