diff --git a/panel/src/panel/views.py b/panel/src/panel/views.py
index 6de975ac..c2f37ea8 100644
--- a/panel/src/panel/views.py
+++ b/panel/src/panel/views.py
@@ -134,6 +134,7 @@ class DeploymentStatus(ConfigurationForm):
             "PATH": settings.bin_path,
             # used in nixos-anywhere for ssh-copy-id
             "HOME": expanduser("~"),
+            "XDG_CACHE_HOME": "/tmp",
         } | {
             # pass in form info to our deployment
             # FIXME: ensure sensitive info is protected