diff --git a/packages/upload-client/test/blob.test.js b/packages/upload-client/test/blob.test.js
index 814172dbb..8a1915a1d 100644
--- a/packages/upload-client/test/blob.test.js
+++ b/packages/upload-client/test/blob.test.js
@@ -76,7 +76,7 @@ describe('Blob.add', () => {
 
     /** @type {import('../src/types.js').ProgressStatus[]} */
     const progress = []
-    const { multihash } = await Blob.add(
+    const { site, multihash } = await Blob.add(
       { issuer: agent, with: space.did(), proofs, audience: serviceSigner },
       bytes,
       {
@@ -90,6 +90,12 @@ describe('Blob.add', () => {
       }
     )
 
+    assert(site)
+    assert.equal(site.capabilities[0].can, Assert.location.can)
+    // we're not verifying this as it's a mocked value
+    // @ts-ignore nb unknown
+    assert.true(site.capabilities[0].nb.content.multihash.bytes)
+
     assert(service.space.blob.add.called)
     assert.equal(service.space.blob.add.callCount, 1)
     assert.equal(