diff --git a/Dockerfile b/Dockerfile
index 1a2b776..85478d5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,9 @@
-ARG HELM_VERSION=v2.9.0
-
 FROM alpine:3.6
 
 MAINTAINER hanjo@bunix.de
 
+ARG HELM_VERSION=v2.9.0
+
 RUN apk add --no-cache curl
 
 RUN curl https://storage.googleapis.com/kubernetes-helm/helm-$HELM_VERSION-linux-amd64.tar.gz --output helm-$HELM_VERSION-linux-amd64.tar.gz --silent && \