diff --git a/Dockerfile b/Dockerfile
index 2d9a465..e6df7ec 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,7 +20,8 @@ RUN apk --update add --virtual .build-deps tar curl && \
     rm -f /etc/php7/php-fpm.d/www.conf && \
     mkdir -p /var/www/app && \
     echo "Installing Kanboard '${KANBOARD_VERSION}' ..." && \
-    curl -SsL "https://github.com/kanboard/kanboard/archive/${KANBOARD_VERSION}.tar.gz" | tar xz -C /var/www/app/ -X /.tarignore --strip-components=1 && \
+    curl -SsL "https://github.com/kanboard/kanboard/archive/${KANBOARD_VERSION}.tar.gz" | \
+      tar xz -C /var/www/app/ -X /.tarignore --strip-components=1 && \
     curl -SsL -o /etc/php7/browscap.ini https://browscap.org/stream?q=Lite_PHP_BrowsCapINI && \
     apk del .build-deps && \
     rm -rf /var/cache/apk/* && \