diff --git a/misc/launchd/org.nixos.nix-daemon.plist.in b/misc/launchd/org.nixos.nix-daemon.plist.in
index c5ef97ee9..5d57a5ec8 100644
--- a/misc/launchd/org.nixos.nix-daemon.plist.in
+++ b/misc/launchd/org.nixos.nix-daemon.plist.in
@@ -16,6 +16,8 @@
     <dict>
       <key>NIX_SSL_CERT_FILE</key>
       <string>/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt</string>
+      <key>XDG_CACHE_HOME</key>
+      <string>/root/.cache</string>
     </dict>
   </dict>
 </plist>