diff --git a/lib/cartodb/controllers/analyses.js b/lib/cartodb/controllers/analyses.js
index 7a6d75f8..19c1f91b 100644
--- a/lib/cartodb/controllers/analyses.js
+++ b/lib/cartodb/controllers/analyses.js
@@ -28,26 +28,21 @@ AnalysesController.prototype.register = function(app) {
 AnalysesController.prototype.catalog = function () {
     return function catalogMiddleware(req, res, next) {
         const { user } = res.locals;
+        const pg = new PSQL(dbParamsFromReqParams(res.locals));
 
-        step(
-            function catalogQuery() {
-                var pg = new PSQL(dbParamsFromReqParams(res.locals));
-                getMetadata(user, pg, this);
-            },
-            function prepareResponse(err, catalogWithTables) {
-                if (err) {
-                    if (err.message.match(/permission\sdenied/)) {
-                        err = new Error('Unauthorized');
-                        err.http_status = 401;
-                    }
-
-                    return next(err);
+        getMetadata(user, pg, (err, catalogWithTables) => {
+            if (err) {
+                if (err.message.match(/permission\sdenied/)) {
+                    err = new Error('Unauthorized');
+                    err.http_status = 401;
                 }
 
-                res.locals.catalogWithTables = catalogWithTables;
-                next();
+                return next(err);
             }
-        );
+
+            res.locals.catalogWithTables = catalogWithTables;
+            next();
+        });
     };
 };