2 files changed, 2 insertions, 4 deletions

diff --git a/alpine/Dockerfile b/alpine/Dockerfile
index db794af..8d6431f 100644
--- a/alpine/Dockerfile
+++ b/alpine/Dockerfile
@@ -12,8 +12,7 @@ RUN addgroup -g 30000 -S nixbld \
     && mkdir -m 0755 /nix && chown nixuser /nix \
     && apk add --no-cache bash xz \
     && rm -rf /var/cache/apk/* \
-    # sandboxing enabled by default since 2.2
-    && mkdir -p /etc/nix && echo 'sandbox = false' > /etc/nix/nix.conf
+    && mkdir -p /etc/nix && touch /etc/nix/nix.conf
 
 USER nixuser
 ENV USER=nixuser
diff --git a/debian/Dockerfile b/debian/Dockerfile
index 632a741..336cd0d 100644
--- a/debian/Dockerfile
+++ b/debian/Dockerfile
@@ -12,8 +12,7 @@ RUN addgroup --gid 30000 --system nixbld \
     && mkdir -m 0755 /nix && chown nixuser /nix \
     && apt update && apt install -y wget xz-utils \
     && apt clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* \
-    # sandboxing enabled by default since 2.2
-    && mkdir -p /etc/nix && echo 'sandbox = false' > /etc/nix/nix.conf
+    && mkdir -p /etc/nix && touch /etc/nix/nix.conf
 
 USER nixuser
 ENV USER=nixuser