diff --git a/lib/cartodb/backends/dataview.js b/lib/cartodb/backends/dataview.js
index 44db254e..89b811bb 100644
--- a/lib/cartodb/backends/dataview.js
+++ b/lib/cartodb/backends/dataview.js
@@ -149,7 +149,9 @@ DataviewBackend.prototype.getDataview = function (mapConfigProvider, user, param
                         bbox: params.bbox
                     }
                 };
-                queryRewriteData = _.extend(queryRewriteData, { bbox_filter: bbox_filter_definition });
+                if ( queryRewriteData ) {
+                    queryRewriteData = _.extend(queryRewriteData, { bbox_filter: bbox_filter_definition });
+                }
             }
 
             var dataviewFactory = DataviewFactoryWithOverviews.getFactory(