diff --git a/lib/model/query/form-attachments.js b/lib/model/query/form-attachments.js
index db8068991..e63d248b2 100644
--- a/lib/model/query/form-attachments.js
+++ b/lib/model/query/form-attachments.js
@@ -165,11 +165,11 @@ const _get = (exec, options) => {
         SELECT datasets.id, MAX("loggedAt") AS "lastAudit" FROM audits
         JOIN datasets ON audits."acteeId" = datasets."acteeId"
         ${actorId == null ? sql`` : sql`
-          -- We're always interested in dataset.create and dataset.update
-          -- actions, even for ownerOnly datasets.
+          -- We're always interested in dataset.create and in actions that add
+          -- or delete entity properties -- even for ownerOnly datasets.
           WHERE
             (NOT datasets."ownerOnly") OR
-            audits.action IN ('dataset.create', 'dataset.update')
+            audits.action IN ('dataset.create', 'dataset.update', 'dataset.update.property.delete')
         `}
         GROUP BY datasets.id
       ) AS audit_metadata ON audit_metadata.id = datasets.id
diff --git a/test/integration/api/datasets.js b/test/integration/api/datasets.js
index 43fb4cdf5..d0d8df110 100644
--- a/test/integration/api/datasets.js
+++ b/test/integration/api/datasets.js
@@ -7064,6 +7064,23 @@ describe('datasets and entities', () => {
         (await getHash(asChelsea)).should.not.equal(originalHash);
       }));
 
+      it('changes hash after a dataset property is deleted', testServiceFullTrx(async (service) => {
+        const [asAlice, asChelsea] = await service.login(['alice', 'chelsea']);
+        await createData(asAlice);
+        await assignToProject(asAlice, asChelsea, 'formfill');
+
+        // Add an entity property.
+        await asAlice.post('/v1/projects/1/datasets/people/properties')
+          .send({ name: 'foo' })
+          .expect(200);
+        const originalHash = await getHash(asChelsea);
+
+        // Delete the property.
+        await asAlice.delete('/v1/projects/1/datasets/people/properties/foo')
+          .expect(200);
+        (await getHash(asChelsea)).should.not.equal(originalHash);
+      }));
+
       it('computes hash based on timestamps and the entity count', testServiceFullTrx(async (service, container) => {
         const [asAlice, asChelsea] = await service.login(['alice', 'chelsea']);
         await createData(asAlice);