treewide: use runtimeShell in nixos/

This is needed for cross-compilation.

1 files changed, 1 insertions, 1 deletions

diff --git a/nixos/tests/switch-test.nix b/nixos/tests/switch-test.nix
index 7076bd77b770a..9ef96cec5ef36 100644
--- a/nixos/tests/switch-test.nix
+++ b/nixos/tests/switch-test.nix
@@ -22,7 +22,7 @@ import ./make-test-python.nix ({ pkgs, ...} : {
     # Ensures failures pass through using pipefail, otherwise failing to
     # switch-to-configuration is hidden by the success of `tee`.
     stderrRunner = pkgs.writeScript "stderr-runner" ''
-      #! ${pkgs.stdenv.shell}
+      #! ${pkgs.runtimeShell}
       set -e
       set -o pipefail
       exec env -i "$@" | tee /dev/stderr