diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 4a82c91..52bec93 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -60,7 +60,7 @@ LANG="en_US.UTF-8" \
 TERM="xterm"
 
 # copy sources
-COPY sources.list /etc/apt/
+COPY sources.list.arm /etc/apt/
 
 RUN \
   echo "**** Ripped from Ubuntu Docker Logic ****" && \
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index 350ba0c..3b54adc 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -60,7 +60,7 @@ LANG="en_US.UTF-8" \
 TERM="xterm"
 
 # copy sources
-COPY sources.list /etc/apt/
+COPY sources.list.arm /etc/apt/
 
 RUN \
   echo "**** Ripped from Ubuntu Docker Logic ****" && \