1 files changed, 1 insertions, 0 deletions
diff --git a/src/type/subst.rs b/src/type/subst.rs
index 5f6573f..3ee4260 100644
--- a/src/type/subst.rs
+++ b/src/type/subst.rs
@@ -43,6 +43,7 @@ impl Type {
             Boolean => Boolean,
             QuoteTy => QuoteTy,
             VecType => VecType,
+            LetType => LetType,
 
         }
     }