diff --git a/apps/apt-cacher-ng/Dockerfile b/apps/apt-cacher-ng/Dockerfile
index 59447cd..a49178b 100644
--- a/apps/apt-cacher-ng/Dockerfile
+++ b/apps/apt-cacher-ng/Dockerfile
@@ -10,6 +10,6 @@ RUN echo 'PassThroughPattern: .*' >> /etc/apt-cacher-ng/acng.conf
 
 CMD chown apt-cacher-ng:apt-cacher-ng /var/cache/apt-cacher-ng
 EXPOSE      3142
-CMD uid apt-cacher-ng
+CMD getent passwd apt-cacher-ng
 USER apt-cacher-ng
 CMD /usr/sbin/apt-cacher-ng -c /etc/apt-cacher-ng pidfile=/var/run/apt-cacher-ng/pid SocketPath=/var/run/apt-cacher-ng/socket foreground=1