diff --git a/telegraf/Dockerfile b/telegraf/Dockerfile
index d0371b4..04c16bd 100755
--- a/telegraf/Dockerfile
+++ b/telegraf/Dockerfile
@@ -18,9 +18,6 @@ ENV \
     PS1="$(whoami)@$(hostname):$(pwd)$ " \
     TERM="xterm-256color"
 
-# Copy root filesystem
-COPY rootfs /
-
 # Set shell
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 
@@ -42,6 +39,10 @@ RUN set -ex && \
     apt-get install telegraf=${TELEGRAF_VERSION} && \
     rm -rf /var/lib/apt/lists/*
 
+# Copy root filesystem
+COPY rootfs /
+
+WORKDIR /tmp
 EXPOSE 8125/udp 8092/udp 8094
 
 # Labels