diff --git a/contrib/lua/src/lstrlib.c b/contrib/lua/src/lstrlib.c
index d6aac616add5..7471345ae7b1 100644
--- a/contrib/lua/src/lstrlib.c
+++ b/contrib/lua/src/lstrlib.c
@@ -928,6 +928,7 @@ static void addquoted (luaL_Buffer *b, const char *s, size_t len) {
 }


+#if LUA_FLOAT_TYPE != LUA_FLOAT_INT64
 /*
 ** Ensures the 'buff' string uses a dot as the radix character.
 */
@@ -938,7 +939,7 @@ static void checkdp (char *buff, int nb) {
     if (ppoint) *ppoint = '.';  /* change it to a dot */
   }
 }
-
+#endif

 static void addliteral (lua_State *L, luaL_Buffer *b, int arg) {
   switch (lua_type(L, arg)) {
diff --git a/contrib/lua/src/lvm.c b/contrib/lua/src/lvm.c
index 84ade6b2fa6c..9040b04a3d11 100644
--- a/contrib/lua/src/lvm.c
+++ b/contrib/lua/src/lvm.c
@@ -41,7 +41,7 @@
 ** float without rounding. Used in comparisons. Left undefined if
 ** all integers fit in a float precisely.
 */
-#if !defined(l_intfitsf)
+#if !defined(l_intfitsf) && LUA_FLOAT_TYPE != LUA_FLOAT_INT64

 /* number of bits in the mantissa of a float */
 #define NBM            (l_mathlim(MANT_DIG))
diff --git a/stand/liblua/luaconf.h b/stand/liblua/luaconf.h
index 7ed0e85db3a1..6eee830bc404 100644
--- a/stand/liblua/luaconf.h
+++ b/stand/liblua/luaconf.h
@@ -450,9 +450,7 @@
 ** and therefore its conversion to float may have an ill-defined value.)
 */
 #define lua_numbertointeger(n,p) \
-  ((n) >= (LUA_NUMBER)(LUA_MININTEGER) && \
-   (n) < -(LUA_NUMBER)(LUA_MININTEGER) && \
-      (*(p) = (LUA_INTEGER)(n), 1))
+      (*(p) = (LUA_INTEGER)(n), 1)


 /* now the variable definitions */