diff --git a/godot/godotapigen.nim b/godot/godotapigen.nim
index ae9a8fa..707154a 100644
--- a/godot/godotapigen.nim
+++ b/godot/godotapigen.nim
@@ -282,7 +282,7 @@ type
 
 const standardTypes = toSet(
   ["bool", "cint", "int", "uint8", "int8", "uint16", "int16", "uint32", "int32",
-   "uint64",
+   "uint64", "Error",
    "int64", "float32", "cfloat", "float64", "GodotString", "Vector2", "Rect2",
    "Vector3", "Transform2D", "Plane", "Quat", "AABB", "Basis", "Transform",
    "Color", "RID", "NodePath", "Dictionary", "Variant", "Array",