diff --git a/base/Dockerfile b/base/Dockerfile
index db63d51..8de3801 100644
--- a/base/Dockerfile
+++ b/base/Dockerfile
@@ -20,7 +20,7 @@ RUN printf '%s\n' 'https://dl-cdn.alpinelinux.org/alpine/edge/main/' \
         novnc websockify \
         nginx \
     && adduser -s /bin/bash -D user \
-    && printf '%s' 'permit nopass user as root cmd /usr/sbin/nginx' >/etc/doas.conf \
+    && printf '%s\n' 'permit nopass user as root cmd /usr/sbin/nginx' >/etc/doas.conf \
     && passwd -l root >/dev/null 2>&1 \
     && sed '/^http {/a\ \
    include /app/nginx/\*.conf;\n\ \