1 files changed, 1 insertions, 1 deletions

diff --git a/lobject.h b/lobject.h
index b5ca3668..bc2f69ab 100644
--- a/lobject.h
+++ b/lobject.h
@@ -831,7 +831,7 @@ typedef struct Table {
   if (msg == NULL) luaD_throw(L, LUA_ERRMEM);  /* only after 'va_end' */ }
 
 
-LUAI_FUNC int luaO_utf8esc (char *buff, unsigned long x);
+LUAI_FUNC int luaO_utf8esc (char *buff, l_uint32 x);
 LUAI_FUNC lu_byte luaO_ceillog2 (unsigned int x);
 LUAI_FUNC lu_byte luaO_codeparam (unsigned int p);
 LUAI_FUNC l_mem luaO_applyparam (lu_byte p, l_mem x);