diff --git a/polygerrit-ui/app/models/bulk-actions/bulk-actions-model.ts b/polygerrit-ui/app/models/bulk-actions/bulk-actions-model.ts
index 5ab1617..79809a0 100644
--- a/polygerrit-ui/app/models/bulk-actions/bulk-actions-model.ts
+++ b/polygerrit-ui/app/models/bulk-actions/bulk-actions-model.ts
@@ -144,7 +144,8 @@
     if (newChanges !== newCurrent.allChanges) return;
     const allDetailedChanges = new Map(newChanges);
     for (const change of changeDetails ?? []) {
-      allDetailedChanges.set(change._number, change);
+      const originalChange = changes.find(c => c._number === change._number);
+      allDetailedChanges.set(change._number, {...originalChange, ...change});
     }
     this.setState({
       ...newCurrent,
diff --git a/polygerrit-ui/app/models/bulk-actions/bulk-actions-model_test.ts b/polygerrit-ui/app/models/bulk-actions/bulk-actions-model_test.ts
index a2c4bac..f77c3ff 100644
--- a/polygerrit-ui/app/models/bulk-actions/bulk-actions-model_test.ts
+++ b/polygerrit-ui/app/models/bulk-actions/bulk-actions-model_test.ts
@@ -10,6 +10,7 @@
   NumericChangeId,
   ChangeStatus,
   HttpMethod,
+  SubmitRequirementStatus,
 } from '../../api/rest-api';
 import {BulkActionsModel, LoadingState} from './bulk-actions-model';
 import {getAppContext} from '../../services/app-context';
@@ -216,6 +217,49 @@
     );
   });
 
+  test('sync retains keys from original change', async () => {
+    const c1 = createChange();
+    c1._number = 1 as NumericChangeId;
+    c1.submit_requirements = [
+      {
+        name: 'a',
+        status: SubmitRequirementStatus.FORCED,
+        submittability_expression_result: {
+          expression: 'b',
+        },
+      },
+    ];
+
+    stubRestApi('getDetailedChangesWithActions').callsFake(() => {
+      const change = createChange();
+      change._number = 1 as NumericChangeId;
+      change.actions = {abandon: {}};
+      assert.isNotOk(change.submit_requirements);
+      return Promise.resolve([change]);
+    });
+
+    bulkActionsModel.sync([c1]);
+
+    await waitUntilObserved(
+      bulkActionsModel.loadingState$,
+      s => s === LoadingState.LOADED
+    );
+
+    const changeAfterSync = bulkActionsModel
+      .getState()
+      .allChanges.get(1 as NumericChangeId);
+    assert.deepEqual(changeAfterSync!.submit_requirements, [
+      {
+        name: 'a',
+        status: SubmitRequirementStatus.FORCED,
+        submittability_expression_result: {
+          expression: 'b',
+        },
+      },
+    ]);
+    assert.deepEqual(changeAfterSync!.actions, {abandon: {}});
+  });
+
   test('sync ignores outdated fetch responses', async () => {
     const c1 = createChange();
     c1._number = 1 as NumericChangeId;