diff --git a/src/middleware/tests/interop/mirror-protected.test.js b/src/middleware/tests/interop/mirror-protected.test.js
index 24e7cb1de..84e9b0423 100644
--- a/src/middleware/tests/interop/mirror-protected.test.js
+++ b/src/middleware/tests/interop/mirror-protected.test.js
@@ -88,7 +88,7 @@ describe('Resource on server1 is shared with user on server2', () => {
         type: ACTIVITY_TYPES.CREATE,
         actor: relay1,
         object: resourceUri,
-        to: user2.id
+        bto: user2.id
       });
     });
   });
@@ -117,7 +117,7 @@ describe('Resource on server1 is shared with user on server2', () => {
         type: ACTIVITY_TYPES.DELETE,
         actor: relay1,
         object: resourceUri,
-        to: user2.id
+        bto: user2.id
       });
     });
   });