diff --git a/gnu/build/activation.scm b/gnu/build/activation.scm
index 0e77677de1..d516f5bdc9 100644
--- a/gnu/build/activation.scm
+++ b/gnu/build/activation.scm
@@ -298,9 +298,9 @@ (define ensure-user-home
                 (gid (passwd:gid pw)))
            (mkdir-p home)
            (chown home uid gid)
-           (unless system?
-             (copy-account-skeletons home
-                                     #:uid uid #:gid gid)))))))
+           (chmod home #o700)
+           (copy-account-skeletons home
+                                   #:uid uid #:gid gid))))))
 
   (for-each ensure-user-home users))