diff --git a/pkgs/clan-cli/clan_cli/vars/generate.py b/pkgs/clan-cli/clan_cli/vars/generate.py
index fffd3f73c..ced01e90d 100644
--- a/pkgs/clan-cli/clan_cli/vars/generate.py
+++ b/pkgs/clan-cli/clan_cli/vars/generate.py
@@ -17,7 +17,7 @@ from clan_cli.completions import (
 from clan_cli.errors import ClanError
 from clan_cli.git import commit_files
 from clan_cli.machines.inventory import get_all_machines, get_selected_machines
-from clan_cli.nix import nix_shell
+from clan_cli.nix import nix_shell, nix_test_store
 from clan_cli.vars._types import StoreBase
 
 from .check import check_vars
@@ -78,6 +78,8 @@ class Generator:
 
 
 def bubblewrap_cmd(generator: str, tmpdir: Path) -> list[str]:
+    test_store = nix_test_store()
+
     # fmt: off
     return nix_shell(
         [
@@ -87,6 +89,7 @@ def bubblewrap_cmd(generator: str, tmpdir: Path) -> list[str]:
         [
             "bwrap",
             "--ro-bind", "/nix/store", "/nix/store",
+            *(["--ro-bind", str(test_store), str(test_store)] if test_store else []),
             "--tmpfs",  "/usr/lib/systemd",
             "--dev", "/dev",
             "--bind", str(tmpdir), str(tmpdir),