diff --git a/Dockerfile b/Dockerfile
index 8190e18..8b36685 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,5 @@
 FROM ubuntu
-RUN sed -i -e 's/^APT/# APT/' -e 's/^DPkg/# DPkg/' \
-      /etc/apt/apt.conf.d/docker-clean
-RUN export DEBIAN_FRONTEND=noninteractive; \
+RUN sed -i -e 's/^APT/# APT/' -e 's/^DPkg/# DPkg/' /etc/apt/apt.conf.d/docker-clean; \
+	export DEBIAN_FRONTEND=noninteractive; \
 	apt update; \
 	apt install -y pandoc texlive-full jq curl