1 files changed, 3 insertions, 3 deletions

diff --git a/llex.c b/llex.c
index 9d93224f..edeb48fe 100644
--- a/llex.c
+++ b/llex.c
@@ -359,12 +359,12 @@ static int readhexaesc (LexState *ls) {
 ** for error reporting in case of errors; 'i' counts the number of
 ** saved characters, so that they can be removed if case of success.
 */
-static unsigned long readutf8esc (LexState *ls) {
-  unsigned long r;
+static l_uint32 readutf8esc (LexState *ls) {
+  l_uint32 r;
   int i = 4;  /* number of chars to be removed: start with #"\u{X" */
   save_and_next(ls);  /* skip 'u' */
   esccheck(ls, ls->current == '{', "missing '{'");
-  r = cast_ulong(gethexa(ls));  /* must have at least one digit */
+  r = cast_uint(gethexa(ls));  /* must have at least one digit */
   while (cast_void(save_and_next(ls)), lisxdigit(ls->current)) {
     i++;
     esccheck(ls, r <= (0x7FFFFFFFu >> 4), "UTF-8 value too large");