diff --git a/docker/Dockerfile.preprocessing-0.9.8.1 b/docker/Dockerfile.preprocessing-0.9.8.1
index ab92979..0c4da95 100644
--- a/docker/Dockerfile.preprocessing-0.9.8.1
+++ b/docker/Dockerfile.preprocessing-0.9.8.1
@@ -1,6 +1,5 @@
 FROM ubuntu:focal
 
-
 LABEL maintainer="pricea35@cardiff.ac.uk" \
 about.summary="container for the preprocessing workflow"