diff --git a/packages/zoe/src/typeGuards.js b/packages/zoe/src/typeGuards.js
index cbc330fa3749..ae7e6068fb97 100644
--- a/packages/zoe/src/typeGuards.js
+++ b/packages/zoe/src/typeGuards.js
@@ -310,7 +310,7 @@ export const ZoeStorageManagerIKit = harden({
       InstallationShape,
       M.any(),
       IssuerPKeywordRecordShape,
-      M.or(InstanceHandleShape, BundleShape),
+      InstanceHandleShape,
       M.or(BundleCapShape, BundleShape),
       M.string(),
     ).returns(M.promise()),