1 files changed, 1 insertions(+), 3 deletions(-)

M fairy.lisp

@@ 160,9 160,7 @@
 
 (defmethod update ((el layer) dt)
   (when (sort-with el)
-    (sort (children el)
-          (sort-with el)
-          :key #'cdr))
+    (setf (children el) (sort (children el) (sort-with el) :key #'cdr)))
 
   (dolist (e (children el))
     (update (cdr e) dt))