diff --git a/interface/type b/interface/type
index ac0926e92..dbb393dd6 100644
--- a/interface/type
+++ b/interface/type
@@ -16,7 +16,7 @@ Type
 		baseType: Type
 		value: String
 	Annotated
-		baseType : SimpleType
+		baseType : Type
 		annotations : Annotation*
 	Structure
 		parents : ~Type*