diff --git a/data/scripts/vector3.lua b/data/scripts/vector3.lua
index 7e2e691..b477492 100644
--- a/data/scripts/vector3.lua
+++ b/data/scripts/vector3.lua
@@ -113,4 +113,6 @@ function Vector3:__tostring()
   return "Vector3(" .. tostring(self.x) .. ", " .. tostring(self.y) .. ", " .. tostring(self.z) .. ")"
 end
 
+Vector3.__index = Vector3
+
 return Vector3
\ No newline at end of file