diff --git a/lisp/cus-edit.el b/lisp/cus-edit.el
index 79c235783d3..0ca3f1ede85 100644
--- a/lisp/cus-edit.el
+++ b/lisp/cus-edit.el
@@ -4295,6 +4295,7 @@ This works for both graphical and text displays."
 	     (widget-put widget :children children)
 	     (custom-group-state-update widget))
 	   ;; End line
+           (insert "\n")
            (custom-group--draw-horizontal-line)))))
 
 (defvar custom-group-menu