2 files changed, 2 insertions, 2 deletions

diff --git a/lopcodes.c b/lopcodes.c
index 7e182315..c4828bfc 100644
--- a/lopcodes.c
+++ b/lopcodes.c
@@ -104,7 +104,7 @@ LUAI_DDEF const lu_byte luaP_opmodes[NUM_OPCODES] = {
  ,opmode(0, 1, 0, 0, 1, iABC)           /* OP_VARARG */
  ,opmode(0, 0, 0, 0, 1, iABC)           /* OP_GETVARG */
  ,opmode(0, 0, 0, 0, 0, iABx)           /* OP_ERRNNIL */
- ,opmode(0, 0, 1, 0, 1, iABC)           /* OP_VARARGPREP */
+ ,opmode(0, 0, 1, 0, 0, iABC)           /* OP_VARARGPREP */
  ,opmode(0, 0, 0, 0, 0, iAx)            /* OP_EXTRAARG */
 };
 
diff --git a/lutf8lib.c b/lutf8lib.c
index 73f0e49b..0cd7f9c3 100644
--- a/lutf8lib.c
+++ b/lutf8lib.c
@@ -149,7 +149,7 @@ static int codepoint (lua_State *L) {
 static void pushutfchar (lua_State *L, int arg) {
   lua_Unsigned code = (lua_Unsigned)luaL_checkinteger(L, arg);
   luaL_argcheck(L, code <= MAXUTF, arg, "value out of range");
-  lua_pushfstring(L, "%U", (long)code);
+  lua_pushfstring(L, "%U", cast(unsigned long, code));
 }