1 files changed, 2 insertions, 1 deletions
diff --git a/system/services/nix-sync/default.nix b/system/services/nix-sync/default.nix
index e951119..07c621a 100644
--- a/system/services/nix-sync/default.nix
+++ b/system/services/nix-sync/default.nix
@@ -81,7 +81,8 @@
       # Security
       NoNewPrivileges = true;
       # Sandboxing (sorted by occurrence in https://www.freedesktop.org/software/systemd/man/systemd.exec.html)
-      ReadWritePaths = ["${repo.path}" "${esa repoCachePath}"];
+      ReadWritePaths = ["${esa repo.path}" "-${esa repoCachePath}"];
+      ReadOnlyPaths = ["/nix"];
       ProtectSystem = "strict";
       ProtectHome = true;
       PrivateTmp = true;