diff --git a/misc/docker/debian-7-amd64/Dockerfile b/misc/docker/debian-7-amd64/Dockerfile
index 1a53ea11..0cc8cf1e 100644
--- a/misc/docker/debian-7-amd64/Dockerfile
+++ b/misc/docker/debian-7-amd64/Dockerfile
@@ -1,6 +1,6 @@
 FROM debian:wheezy-slim
 ENV DEBIAN_FRONTEND noninteractive
-RUN sed -i 'http://archive.debian.org/debian/' /etc/apt/sources.list
+RUN sed -i 'archive.debian.org/debian/' /etc/apt/sources.list
 RUN apt-get -y update
 RUN apt-get -y upgrade
 RUN apt-get -y install \