diff --git a/VM/include/luaconf.h b/VM/include/luaconf.h
index 29c31f40..b5f4cb12 100644
--- a/VM/include/luaconf.h
+++ b/VM/include/luaconf.h
@@ -131,4 +131,4 @@
 #define LUA_VECTOR_SIZE 3
 #endif
 
-#define LUA_EXTRA_VALUE_SIZE LUA_VECTOR_SIZE - 2	// note: this assumes vector size >= 2!
\ No newline at end of file
+#define LUA_EXTRA_SIZE LUA_VECTOR_SIZE - 2
diff --git a/VM/src/lobject.h b/VM/src/lobject.h
index cac1e5f4..5ed64736 100644
--- a/VM/src/lobject.h
+++ b/VM/src/lobject.h
@@ -47,7 +47,7 @@ typedef union
 typedef struct lua_TValue
 {
     Value value;
-    int extra[LUA_EXTRA_VALUE_SIZE];
+    int extra[LUA_EXTRA_SIZE];
     int tt;
 } TValue;
 
@@ -377,7 +377,7 @@ typedef struct Closure
 typedef struct TKey
 {
     ::Value value;
-    int extra[LUA_EXTRA_VALUE_SIZE];
+    int extra[LUA_EXTRA_SIZE];
     unsigned tt : 4;
     int next : 28; /* for chaining */
 } TKey;