diff --git a/deploy/Dockerfile b/deploy/Dockerfile
index afca611b..3d2ae162 100644
--- a/deploy/Dockerfile
+++ b/deploy/Dockerfile
@@ -22,7 +22,7 @@ LABEL maintainer="mritd <mritd@linux.com>"
 # set up nsswitch.conf for Go's "netgo" implementation
 # - https://github.com/golang/go/blob/go1.9.1/src/net/conf.go#L194-L275
 # - docker run --rm debian:stretch grep '^hosts:' /etc/nsswitch.conf
-RUN [ ! -e "/etc/nsswitch.conf" ] && echo 'hosts: files dns' > /etc/nsswitch.conf
+RUN echo 'hosts: files dns' > /etc/nsswitch.conf
 
 # default timezon
 # override it with `--build-arg TIMEZONE=xxxx`