diff --git a/Dockerfile b/Dockerfile
index 75414f8..e2a4be4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,8 +18,8 @@ LABEL maintainer="Danielle Douglas <ddouglas87@gmail.com>"
 LABEL maintainer="Lhanjian <lhjay1@foxmail.com>"
 LABEL maintainer="K4YT3X <k4yt3x@k4yt3x.com>"
 
-RUN sed -i 's/archive.ubuntu.com/old-releases.ubuntu.com/g' sources.list
-RUN sed -i 's/security.ubuntu.com/old-releases.ubuntu.com/g' sources.list
+RUN sed -i 's/archive.ubuntu.com/old-releases.ubuntu.com/g' /etc/apt/sources.list
+RUN sed -i 's/security.ubuntu.com/old-releases.ubuntu.com/g' /etc/apt/sources.list
 
 # run installation
 RUN apt-get update \