1 files changed, 3 insertions, 0 deletions
diff --git a/src/expand/derive.cpp b/src/expand/derive.cpp
index 06e2921e..668ecc9b 100644
--- a/src/expand/derive.cpp
+++ b/src/expand/derive.cpp
@@ -198,6 +198,9 @@ struct Deriver
             ),
         (TraitObject,
             // TODO: Should this be recursed?
+            ),
+        (ErasedType,
+            // TODO: Should this be recursed?
             )
         )
     }