diff --git a/parse.y b/parse.y
index b35547ad744936..5c08dba45a8e11 100644
--- a/parse.y
+++ b/parse.y
@@ -12788,7 +12788,7 @@ gettable(struct parser_params *p, ID id, const YYLTYPE *loc)
         if (dyna_in_block(p) && id == rb_intern("it")
             && !(DVARS_TERMINAL_P(p->lvtbl->args) || DVARS_TERMINAL_P(p->lvtbl->args->prev))
             && p->max_numparam != ORDINAL_PARAM) {
-            rb_warn0("`it` calls without arguments will refer to the first block param in Ruby 3.4; use it() or self.it");
+            rb_warn_deprecated("calling `it` without arguments in a block", "it() or self.it");
         }
         return NEW_VCALL(id, loc);
       case ID_GLOBAL: