1 files changed, 2 insertions, 2 deletions

diff --git a/c-api/compat-5.3.c b/c-api/compat-5.3.c
index 09c60dd..b82c654 100644
--- a/c-api/compat-5.3.c
+++ b/c-api/compat-5.3.c
@@ -515,7 +515,7 @@ static int compat53_skipBOM (compat53_LoadF *lf) {
   do {
     c = getc(lf->f);
     if (c == EOF || c != *(const unsigned char *)p++) return c;
-    lf->buff[lf->n++] = c;  /* to be read by the parser */
+    lf->buff[lf->n++] = (char)c;  /* to be read by the parser */
   } while (*p != '\0');
   lf->n = 0;  /* prefix matched; discard it */
   return getc(lf->f);  /* return next character */
@@ -590,7 +590,7 @@ COMPAT53_API int luaL_loadfilex (lua_State *L, const char *filename, const char
     compat53_skipcomment(&lf, &c);  /* re-read initial portion */
   }
   if (c != EOF)
-    lf.buff[lf.n++] = c;  /* 'c' is the first character of the stream */
+    lf.buff[lf.n++] = (char)c;  /* 'c' is the first character of the stream */
   status = lua_load(L, &compat53_getF, &lf, lua_tostring(L, -1), mode);
   readstatus = ferror(lf.f);
   if (filename) fclose(lf.f);  /* close file (even in case of errors) */