diff --git a/examples/midi/main.rb b/examples/midi/main.rb
index b0450af..c9d7aef 100644
--- a/examples/midi/main.rb
+++ b/examples/midi/main.rb
@@ -21,8 +21,8 @@ class Main
   end
 
   def midi_handler(i, val)
-    if i.between?(1, 8)
-      @vm.strip[i - 1].gainlayer[GAINLAYER].gain = (val * 72 / 127) - 60
+    if i.between?(0, 7)
+      @vm.strip[i].gainlayer[GAINLAYER].gain = (val * 72 / 127) - 60
     end
   end
 end