diff --git a/superset/views/core.py b/superset/views/core.py
index 65922b72dcae..1c0b7bb688ab 100755
--- a/superset/views/core.py
+++ b/superset/views/core.py
@@ -1257,7 +1257,7 @@ def copy_dash(self, dashboard_id):
         self._set_dash_metadata(dash, data)
         session.add(dash)
         session.commit()
-        dash_json = dash.json_data
+        dash_json = json.dumps(dash.data)
         session.close()
         return json_success(dash_json)
 
diff --git a/tests/core_tests.py b/tests/core_tests.py
index d18f2d93900c..f9e6c8a964c4 100644
--- a/tests/core_tests.py
+++ b/tests/core_tests.py
@@ -396,7 +396,7 @@ def test_copy_dash(self, username='admin'):
         self.client.post(url, data=dict(data=json.dumps(data)))
         dash = db.session.query(models.Dashboard).filter_by(
             id=dash_id).first()
-        orig_json_data = json.loads(dash.json_data)
+        orig_json_data = dash.data
 
         # Verify that copy matches original
         url = '/superset/copy_dash/{}/'.format(dash_id)