diff --git a/include/arm11/acl.h b/include/arm11/acl.h
index c472bbd..dd1ccaf 100644
--- a/include/arm11/acl.h
+++ b/include/arm11/acl.h
@@ -48,7 +48,7 @@ acl_error_t acl_query_cheat_set(
 );
 
 acl_error_t acl_select_cheat_set(
-    INPUT(acl_index_t)    cheat_set_id
+    INPUT(acl_chtid_t)    cheat_set_id
 );
 
 acl_error_t acl_select_entry(