diff --git a/islands.lua b/islands.lua
index c1fd1a5..297f2b0 100644
--- a/islands.lua
+++ b/islands.lua
@@ -471,7 +471,7 @@ end
 
 function enc(n,delta)
   if n == 1 then
-    mix:delta("output", delta)
+    params:delta("output_level", delta)
   end
   if looponeedit == 1 or looptwoedit == 1 then 
     if looponeedit == 1 then