diff --git a/lib/cartodb/backends/dataview.js b/lib/cartodb/backends/dataview.js
index 1c7a02f5..bf0b31bf 100644
--- a/lib/cartodb/backends/dataview.js
+++ b/lib/cartodb/backends/dataview.js
@@ -41,18 +41,18 @@ DataviewBackend.prototype.getDataview = function (mapConfigProvider, user, param
             return callback(error);
         }
 
-        var pg = new PSQL(dbParamsFromReqParams(params));
-        var query = getQueryWithFilters(dataviewDefinition, params);
-        var queryRewriteData = getQueryRewriteData(mapConfig, dataviewDefinition, params);
-        var dataviewFactory = DataviewFactoryWithOverviews.getFactory(
-            overviewsQueryRewriter, queryRewriteData, { bbox: params.bbox }
-        );
-
-        var dataview = dataviewFactory.getDataview(query, dataviewDefinition);
-
-        let overrideParams;
+        var pg;
+        var overrideParams;
+        var dataview;
 
         try {
+            pg = new PSQL(dbParamsFromReqParams(params));
+            var query = getQueryWithFilters(dataviewDefinition, params);
+            var queryRewriteData = getQueryRewriteData(mapConfig, dataviewDefinition, params);
+            var dataviewFactory = DataviewFactoryWithOverviews.getFactory(overviewsQueryRewriter, queryRewriteData, {
+                bbox: params.bbox
+            });
+            dataview = dataviewFactory.getDataview(query, dataviewDefinition);
             var ownFilter = +params.own_filter;
             overrideParams = getOverrideParams(params, !!ownFilter);
         } catch (error) {