diff --git a/lib/cartodb/controllers/layergroup.js b/lib/cartodb/controllers/layergroup.js
index a68f22a7..9e93ea0f 100644
--- a/lib/cartodb/controllers/layergroup.js
+++ b/lib/cartodb/controllers/layergroup.js
@@ -321,25 +321,41 @@ LayergroupController.prototype.finalizeGetTileOrGrid = function(err, req, res, t
 };
 
 LayergroupController.prototype.bbox = function(req, res, next) {
-    this.staticMap(req, res, +req.params.width, +req.params.height, {
-        west: +req.params.west,
-        north: +req.params.north,
-        east: +req.params.east,
-        south: +req.params.south
-    }, next);
+    this.staticMap(
+        req, 
+        res, 
+        +req.params.width, 
+        +req.params.height, 
+        null, 
+        {
+            west: +req.params.west,
+            north: +req.params.north,
+            east: +req.params.east,
+            south: +req.params.south
+        }, 
+        next
+    );
 };
 
 LayergroupController.prototype.center = function(req, res, next) {
-    this.staticMap(req, res, +req.params.width, +req.params.height, +req.params.z, {
-        lng: +req.params.lng,
-        lat: +req.params.lat
-    }, next);
+    this.staticMap(
+        req, 
+        res, 
+        +req.params.width, 
+        +req.params.height, 
+        +req.params.z, 
+        {
+            lng: +req.params.lng,
+            lat: +req.params.lat
+        }, 
+        next
+    );
 };
 
 LayergroupController.prototype.staticMap = function(req, res, width, height, zoom /* bounds */, center, next) {
     var format = req.params.format === 'jpg' ? 'jpeg' : 'png';
-    req.params.layer = req.params.layer || 'all';
     req.params.format = req.params.format || 'png';
+    res.locals.layer = res.locals.layer || 'all';
 
     var self = this;
 
diff --git a/lib/cartodb/controllers/map.js b/lib/cartodb/controllers/map.js
index 64ad1bb7..044a2b79 100644
--- a/lib/cartodb/controllers/map.js
+++ b/lib/cartodb/controllers/map.js
@@ -181,7 +181,8 @@ MapController.prototype.create = function(req, res, prepareConfigFn, next) {
             var datasource = context.datasource || Datasource.EmptyDatasource();
             mapConfig = new MapConfig(requestMapConfig, datasource);
             self.mapBackend.createLayergroup(
-                mapConfig, req.params,
+                mapConfig, 
+                res.locals,
                 new CreateLayergroupMapConfigProvider(mapConfig, req.context.user, self.userLimitsApi, res.locals),
                 this
             );
diff --git a/lib/cartodb/controllers/named_maps.js b/lib/cartodb/controllers/named_maps.js
index e224fc7f..3f1c3437 100644
--- a/lib/cartodb/controllers/named_maps.js
+++ b/lib/cartodb/controllers/named_maps.js
@@ -125,7 +125,7 @@ NamedMapsController.prototype.staticMap = function(req, res, next) {
 
     var format = req.params.format === 'jpg' ? 'jpeg' : 'png';
     res.locals.format = req.params.format || 'png';
-    res.locals.layer = req.params.layer || 'all';
+    res.locals.layer = res.locals.layer || 'all';
 
     var namedMapProvider;
     step(
@@ -148,7 +148,7 @@ NamedMapsController.prototype.staticMap = function(req, res, next) {
         },
         function prepareImageOptions(err) {
             assert.ifError(err);
-            self.getStaticImageOptions(cdbUser, req.params, namedMapProvider, this);
+            self.getStaticImageOptions(cdbUser, res.locals, namedMapProvider, this);
         },
         function getImage(err, imageOpts) {
             assert.ifError(err);
@@ -222,7 +222,7 @@ NamedMapsController.prototype.prepareLayerFilterFromPreviewLayers = function (
         }
 
         // overwrites 'all' default filter
-        req.params.layer = layerVisibilityFilter.join(',');
+        res.locals.layer = layerVisibilityFilter.join(',');
 
         // recreates the provider
         self.namedMapProviderCache.get(
diff --git a/test/acceptance/ported/support/ported_server_options.js b/test/acceptance/ported/support/ported_server_options.js
index 36684f77..25a25fc7 100644
--- a/test/acceptance/ported/support/ported_server_options.js
+++ b/test/acceptance/ported/support/ported_server_options.js
@@ -74,6 +74,9 @@ module.exports = _.extend({}, serverOptions, {
         }
         req.params.dbname = 'test_windshaft_cartodb_user_1_db';
 
+        // add all params to res.locals
+        res.locals = _.extend({}, req.params);
+
 
         // increment number of calls counter
         global.req2params_calls = global.req2params_calls ? global.req2params_calls + 1 : 1;