diff --git a/reviewboard/static/rb/js/models/tests/uploadDiffModelTests.js b/reviewboard/static/rb/js/models/tests/uploadDiffModelTests.js
new file mode 100644
index 0000000000000000000000000000000000000000..473cfcb67bb2765967496f6cd76ce807c068dfd7
--- /dev/null
+++ b/reviewboard/static/rb/js/models/tests/uploadDiffModelTests.js
@@ -0,0 +1,28 @@
+suite('rb/models/uploadDiffModel', function() {
+    var reviewRequest,
+        updateDiffView;
+
+    beforeEach(function() {
+        reviewRequest = new RB.ReviewRequest({
+            id: 123
+        });
+
+        updateDiffView = new RB.UpdateDiffView({
+            model: new RB.UploadDiffModel({
+                changeNumber: reviewRequest.get('commitID'),
+                repository: reviewRequest.get('repository'),
+                reviewRequest: reviewRequest,
+            }),
+            el: $('#scratch')
+        });
+    });
+
+    describe('Updating Review Requests', function() {
+        it('"Start Over" doesn\'t change reviewRequest attribute', function() {
+            spyOn(updateDiffView.model, 'startOver').andCallThrough();
+            updateDiffView.model.startOver();
+
+            expect(updateDiffView.model.attributes.reviewRequest).toBe(reviewRequest);
+        });
+    });
+});
\ No newline at end of file
diff --git a/reviewboard/static/rb/js/models/uploadDiffModel.js b/reviewboard/static/rb/js/models/uploadDiffModel.js
index b7a47f2ed6f24c794ea4f3817bb34f4481dca7ba..8a8ca1585af47dc7ccf09dd3eff95848c19612de 100644
--- a/reviewboard/static/rb/js/models/uploadDiffModel.js
+++ b/reviewboard/static/rb/js/models/uploadDiffModel.js
@@ -50,7 +50,6 @@ RB.UploadDiffModel = Backbone.Model.extend({
             diffValid: false,
             error: null,
             parentDiffFile: null,
-            reviewRequest: null,
             state: this.State.PROMPT_FOR_DIFF
         });
     },
diff --git a/reviewboard/staticbundles.py b/reviewboard/staticbundles.py
index e611f813e2e40f8fd14d65f2fd0e9dc9b8e149c0..844e7a16d31c1157d03e6eeeac7d1ffbb5512a96 100644
--- a/reviewboard/staticbundles.py
+++ b/reviewboard/staticbundles.py
@@ -51,6 +51,7 @@ PIPELINE_JS = dict({
             'rb/js/models/tests/commentEditorModelTests.js',
             'rb/js/models/tests/reviewReplyEditorModelTests.js',
             'rb/js/models/tests/reviewRequestEditorModelTests.js',
+            'rb/js/models/tests/uploadDiffModelTests.js',
             'rb/js/models/tests/userSessionModelTests.js',
             'rb/js/newReviewRequest/views/tests/branchesViewTests.js',
             'rb/js/newReviewRequest/views/tests/postCommitViewTests.js',