diff --git a/.hadolint.yaml b/.hadolint.yaml
new file mode 100644
index 0000000..ef344ec
--- /dev/null
+++ b/.hadolint.yaml
@@ -0,0 +1,3 @@
+---
+ignored:
+  - SC2187
diff --git a/ftp/Dockerfile b/ftp/Dockerfile
index b202293..40bc2e5 100755
--- a/ftp/Dockerfile
+++ b/ftp/Dockerfile
@@ -2,6 +2,9 @@ ARG BUILD_FROM=hassioaddons/base:2.0.0
 # hadolint ignore=DL3006
 FROM ${BUILD_FROM}
 
+# Set shell
+SHELL ["/bin/ash", "-o", "pipefail", "-c"]
+
 # Setup base
 # hadolint ignore=DL3003
 RUN \