1 files changed, 2 insertions, 0 deletions
diff --git a/gnu/system.scm b/gnu/system.scm
index b8d0e62f60..79de80a3eb 100644
--- a/gnu/system.scm
+++ b/gnu/system.scm
@@ -686,6 +686,8 @@ etc."
     (define group-specs
       (map user-group->gexp groups))
 
+    (assert-valid-users/groups accounts groups)
+
     (gexp->file "activate"
                 #~(begin
                     (eval-when (expand load eval)