diff --git a/src/typing/generic.ml b/src/typing/generic.ml
index 6f12c785a94..efc992b41f0 100644
--- a/src/typing/generic.ml
+++ b/src/typing/generic.ml
@@ -312,7 +312,7 @@ let build_generic_class ctx c p tl =
 			| Pure
 			| Struct | StructInit
 			| Using
-			| AutoBuild ->
+			| AutoBuild | Unreflective ->
 				true
 			| _ ->
 				false