diff --git a/telegraf/Dockerfile b/telegraf/Dockerfile
index 761c0d7..3ae1358 100755
--- a/telegraf/Dockerfile
+++ b/telegraf/Dockerfile
@@ -1,7 +1,7 @@
 ARG BUILD_FROM
 FROM ${BUILD_FROM}
 
-ARG BUILD_ARCH=amd64
+ARG BUILD_ARCH
 ARG TELEGRAF_VERSION
 
 RUN echo 'hosts: files dns' >> /etc/nsswitch.conf