diff --git a/scripts/palette-from-pcx b/scripts/palette-from-pcx
index 4c02149..4d06037 100755
--- a/scripts/palette-from-pcx
+++ b/scripts/palette-from-pcx
@@ -27,7 +27,7 @@ var (
 
 EOF
 
-bytes.read(3) # Ignore idx 0 so we can make it transparent
+f.read(3) # Ignore idx 0 so we can make it transparent
 
 255.times do
   r, g, b = f.read(3).bytes