1 files changed, 1 insertions, 1 deletions

diff --git a/src/lj_lex.c b/src/lj_lex.c
index a808b88d..78c333b0 100644
--- a/src/lj_lex.c
+++ b/src/lj_lex.c
@@ -173,7 +173,7 @@ static void read_string(LexState *ls, int delim, TValue *tv)
             c = 10*c + (ls->current-'0');
             next(ls);
           } while (++i<3 && lj_ctype_isdigit(ls->current));
-          if (c > UCHAR_MAX)
+          if (c > 255)
             lj_lex_error(ls, TK_string, LJ_ERR_XESC);
           save(ls, c);
         }