diff --git a/luprex/eris-master/src/luaconf.h b/luprex/eris-master/src/luaconf.h
index 1b0ff59f..89fe2202 100644
--- a/luprex/eris-master/src/luaconf.h
+++ b/luprex/eris-master/src/luaconf.h
@@ -400,9 +400,9 @@
 @@ LUAI_MAXNUMBER2STR is maximum size of previous conversion.
 */
 #define LUA_NUMBER_SCAN		"%lf"
-#define LUA_NUMBER_FMT		"%.14g"
+#define LUA_NUMBER_FMT		"%.16g"
 #define lua_number2str(s,n)	sprintf((s), LUA_NUMBER_FMT, (n))
-#define LUAI_MAXNUMBER2STR	32 /* 16 digits, sign, point, and \0 */
+#define LUAI_MAXNUMBER2STR	32 /* 18 digits, sign, point, and \0 */
 
 
 /*