diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md
index 5d99147051f1..756a2a30f0cc 100644
--- a/.github/ISSUE_TEMPLATE.md
+++ b/.github/ISSUE_TEMPLATE.md
@@ -11,3 +11,4 @@
 * System: (NixOS: `nixos-version`, Ubuntu/Fedora: `lsb_release -a`, ...)
 * Nix version: (run `nix-env --version`)
 * Nixpkgs version: (run `nix-instantiate --eval '<nixpkgs>' -A lib.nixpkgsVersion`)
+* Sandboxing enabled: (run `grep build-use-sandbox /etc/nix/nix.conf`)