diff --git a/src/boot/boot.janet b/src/boot/boot.janet
index 1195ce11..eb745ab1 100644
--- a/src/boot/boot.janet
+++ b/src/boot/boot.janet
@@ -2148,8 +2148,8 @@
   types will not be recursively thawed, but all other types will`
   [ds]
   (case (type ds)
-    :table (walk-dict thaw ds)
-    :struct (walk-dict thaw ds)
+    :table (walk-dict thaw (table/proto-flatten ds))
+    :struct (walk-dict thaw (struct/proto-flatten ds))
     :array (walk-ind thaw ds)
     :tuple (walk-ind thaw ds)
     :string (buffer ds)