diff --git a/tools/cheat-builder/make-acl.go b/tools/cheat-builder/make-acl.go
index 20d36bc..872cd81 100644
--- a/tools/cheat-builder/make-acl.go
+++ b/tools/cheat-builder/make-acl.go
@@ -628,7 +628,7 @@ func format( cheats []Cheat ) []byte {
 	for i, ch := range chts {
 		binary.Encode(retval[cheatbase+i*4:], binary.LittleEndian, ch)
 	}
-	copy(retval[cheatbase:], expanded)
+	copy(retval[expandbase:], expanded)
 	
 	return retval
 }