use printf to echo newlines

[blank.git] / scripts / docker / ubuntu-run-devel / Dockerfile

diff --git a/scripts/docker/ubuntu-run-devel/Dockerfile b/scripts/docker/ubuntu-run-devel/Dockerfile
index 5a489cbe39b47276719dd1db9fc159a8d08cd904..6ce41060b00b15e45edb9d95d7e3892d796e28e5 100644 (file)
--- a/scripts/docker/ubuntu-run-devel/Dockerfile
+++ b/scripts/docker/ubuntu-run-devel/Dockerfile
@@ -23,5 +23,5 @@ RUN apt -y install --no-install-recommends \
                libsdl2-ttf-2.0-0 \
                zlib1g \
        && apt-get -y clean \
-       && echo -e '[general]\ndrivers = null' > /etc/openal/alsoft.conf \
+       && printf '[general]\ndrivers = null\n' > /etc/openal/alsoft.conf \
        ;