1 files changed, 1 insertions, 1 deletions
diff --git a/Sluift/Lua/Check.cpp b/Sluift/Lua/Check.cpp
index 74c44be..74a247a 100644
--- a/Sluift/Lua/Check.cpp
+++ b/Sluift/Lua/Check.cpp
@@ -40,7 +40,7 @@ int Lua::checkIntNumber(lua_State* L, int arg) {
 }
 
 std::string Lua::checkString(lua_State* L, int arg) {
-    const char *s = lua_tolstring(L, arg, NULL);
+    const char *s = lua_tolstring(L, arg, nullptr);
     if (!s) {
         throw Lua::Exception(getArgTypeError(L, arg, LUA_TSTRING));
     }