diff --git a/parse.y b/parse.y
index 2bd6f386db..35de2cc848 100644
--- a/parse.y
+++ b/parse.y
@@ -786,7 +786,7 @@ static VALUE parser_heredoc_dedent(struct parser_params*,VALUE);
 #define FIXME 0
 
 #else
-#define ID2VAL(id) (id)
+#define ID2VAL(id) ((VALUE)(id))
 #define TOKEN2VAL(t) ID2VAL(t)
 #endif /* RIPPER */