diff --git a/lib/cartodb/controllers/layergroup.js b/lib/cartodb/controllers/layergroup.js
index 1e5ecc9a..57a7628f 100644
--- a/lib/cartodb/controllers/layergroup.js
+++ b/lib/cartodb/controllers/layergroup.js
@@ -66,10 +66,7 @@ LayergroupController.prototype.attributes = function(req, res) {
             req.profiler.add(stats || {});
 
             if (err) {
-                // See https://github.com/Vizzuality/Windshaft-cartodb/issues/68
-                var errMsg = err.message ? ( '' + err.message ) : ( '' + err );
-                var statusCode = self.app.findStatusCode(err);
-                res.sendError(res, { errors: [errMsg] }, statusCode, 'GET ATTRIBUTES', err);
+                res.sendError(err, 'GET ATTRIBUTES');
             } else {
                 self.sendResponse(req, res, [tile, 200]);
             }
@@ -138,18 +135,18 @@ LayergroupController.prototype.finalizeGetTileOrGrid = function(err, req, res, t
         }
     }
 
-    if (err){
+    if (err) {
         // See https://github.com/Vizzuality/Windshaft-cartodb/issues/68
         var errMsg = err.message ? ( '' + err.message ) : ( '' + err );
-        var statusCode = this.app.findStatusCode(err);
 
         // Rewrite mapnik parsing errors to start with layer number
         var matches = errMsg.match("(.*) in style 'layer([0-9]+)'");
         if (matches) {
             errMsg = 'style'+matches[2]+': ' + matches[1];
         }
+        err.message = errMsg;
 
-        res.sendError(res, { errors: ['' + errMsg] }, statusCode, 'TILE RENDER', err);
+        res.sendError(err, 'TILE RENDER');
         global.statsClient.increment('windshaft.tiles.error');
         global.statsClient.increment('windshaft.tiles.' + formatStat + '.error');
     } else {
@@ -203,10 +200,7 @@ LayergroupController.prototype.staticMap = function(req, res, width, height, zoo
             req.profiler.add(stats || {});
 
             if (err) {
-                if (!err.error) {
-                    err.error = err.message;
-                }
-                res.sendError(res, {errors: ['' + err] }, self.app.findStatusCode(err), 'STATIC_MAP', err);
+                res.sendError(err, 'STATIC_MAP');
             } else {
                 res.setHeader('Content-Type', headers['Content-Type'] || 'image/' + format);
                 self.sendResponse(req, res, [image, 200]);
@@ -245,7 +239,7 @@ LayergroupController.prototype.sendResponse = function(req, res, args) {
                 res.header('X-Cache-Channel', tablesCacheEntry.getCacheChannel());
                 self.surrogateKeysCache.tag(res, tablesCacheEntry);
             }
-            res.sendResponse(res, args);
+            res.sendResponse(args);
         }
     );
 
diff --git a/lib/cartodb/controllers/map.js b/lib/cartodb/controllers/map.js
index 2a43a3ce..73182387 100644
--- a/lib/cartodb/controllers/map.js
+++ b/lib/cartodb/controllers/map.js
@@ -155,11 +155,10 @@ MapController.prototype.create = function(req, res, prepareConfigFn) {
         },
         function finish(err, layergroup) {
             if (err) {
-                var statusCode = self.app.findStatusCode(err);
-                res.sendError(res, { errors: [ err.message ] }, statusCode, 'ANONYMOUS LAYERGROUP', err);
+                res.sendError(err, 'ANONYMOUS LAYERGROUP');
             } else {
                 res.header('X-Layergroup-Id', layergroup.layergroupid);
-                res.sendResponse(res, [layergroup, 200]);
+                res.sendResponse([layergroup, 200]);
             }
         }
     );
@@ -210,8 +209,7 @@ MapController.prototype.instantiateTemplate = function(req, res, prepareParamsFn
         },
         function finishTemplateInstantiation(err, layergroup) {
             if (err) {
-                var statusCode = self.app.findStatusCode(err);
-                res.sendError(res, { errors: [ err.message ] }, statusCode, 'NAMED MAP LAYERGROUP', err);
+                res.sendError(err, 'NAMED MAP LAYERGROUP');
             } else {
                 var templateHash = self.templateMaps.fingerPrint(mapConfigProvider.template).substring(0, 8);
                 layergroup.layergroupid = cdbuser + '@' + templateHash + '@' + layergroup.layergroupid;
@@ -219,7 +217,7 @@ MapController.prototype.instantiateTemplate = function(req, res, prepareParamsFn
                 res.header('X-Layergroup-Id', layergroup.layergroupid);
                 self.surrogateKeysCache.tag(res, new NamedMapsCacheEntry(cdbuser, mapConfigProvider.getTemplateName()));
 
-                res.sendResponse(res, [layergroup, 200]);
+                res.sendResponse([layergroup, 200]);
             }
         }
     );
diff --git a/lib/cartodb/controllers/named_maps.js b/lib/cartodb/controllers/named_maps.js
index a751b5d0..c123c461 100644
--- a/lib/cartodb/controllers/named_maps.js
+++ b/lib/cartodb/controllers/named_maps.js
@@ -60,7 +60,7 @@ NamedMapsController.prototype.sendResponse = function(req, res, resource, header
                     self.surrogateKeysCache.tag(res, tablesCacheEntry);
                 }
             }
-            res.sendResponse(res, [resource, 200]);
+            res.sendResponse([resource, 200]);
         }
     );
 };
@@ -90,10 +90,7 @@ NamedMapsController.prototype.tile = function(req, res) {
                 req.profiler.add(stats);
             }
             if (err) {
-                if (!err.error) {
-                    err.error = err.message;
-                }
-                res.sendError(res, err, self.app.findStatusCode(err), 'NAMED_MAP_TILE', err);
+                res.sendError(err, 'NAMED_MAP_TILE');
             } else {
                 self.sendResponse(req, res, tile, headers, namedMapProvider);
             }
@@ -182,10 +179,7 @@ NamedMapsController.prototype.staticMap = function(req, res) {
             }
 
             if (err) {
-                if (!err.error) {
-                    err.error = err.message;
-                }
-                res.sendError(res, err, self.app.findStatusCode(err), 'STATIC_VIZ_MAP', err);
+                res.sendError(err, 'STATIC_VIZ_MAP');
             } else {
                 self.sendResponse(req, res, image, headers, namedMapProvider);
             }
diff --git a/lib/cartodb/controllers/named_maps_admin.js b/lib/cartodb/controllers/named_maps_admin.js
index 31dffcad..8e971b1f 100644
--- a/lib/cartodb/controllers/named_maps_admin.js
+++ b/lib/cartodb/controllers/named_maps_admin.js
@@ -48,7 +48,7 @@ NamedMapsAdminController.prototype.create = function(req, res) {
             assert.ifError(err);
             return { template_id: tpl_id };
         },
-        finishFn(self.app, res, 'POST TEMPLATE')
+        finishFn(res, 'POST TEMPLATE')
     );
 };
 
@@ -76,7 +76,7 @@ NamedMapsAdminController.prototype.update = function(req, res) {
 
             return { template_id: tpl_id };
         },
-        finishFn(self.app, res, 'PUT TEMPLATE')
+        finishFn(res, 'PUT TEMPLATE')
     );
 };
 
@@ -112,7 +112,7 @@ NamedMapsAdminController.prototype.retrieve = function(req, res) {
             delete tpl_val.auth_id;
             return { template: tpl_val };
         },
-        finishFn(self.app, res, 'GET TEMPLATE')
+        finishFn(res, 'GET TEMPLATE')
     );
 };
 
@@ -140,7 +140,7 @@ NamedMapsAdminController.prototype.destroy = function(req, res) {
             assert.ifError(err);
             return { status: 'ok' };
         },
-        finishFn(self.app, res, 'DELETE TEMPLATE', ['', 204])
+        finishFn(res, 'DELETE TEMPLATE', ['', 204])
     );
 };
 
@@ -166,22 +166,16 @@ NamedMapsAdminController.prototype.list = function(req, res) {
             assert.ifError(err);
             return { template_ids: tpl_ids };
         },
-        finishFn(self.app, res, 'GET TEMPLATE LIST')
+        finishFn(res, 'GET TEMPLATE LIST')
     );
 };
 
-function finishFn(app, res, description, okResponse) {
+function finishFn(res, description, okResponse) {
     return function finish(err, response){
-        var statusCode = 200;
         if (err) {
-            statusCode = 400;
-            response = { errors: ['' + err] };
-            if ( ! _.isUndefined(err.http_status) ) {
-                statusCode = err.http_status;
-            }
-            res.sendError(res, response, statusCode, description, err);
+            res.sendError(err, description);
         } else {
-            res.sendResponse(res, okResponse || [response, statusCode]);
+            res.sendResponse(okResponse || [response, 200]);
         }
     };
 }
diff --git a/lib/cartodb/server.js b/lib/cartodb/server.js
index 4ee6464f..9d8594a0 100644
--- a/lib/cartodb/server.js
+++ b/lib/cartodb/server.js
@@ -400,23 +400,22 @@ function bootstrap(opts) {
 
         res.removeHeader('x-powered-by');
 
-        res.sendResponse = function(res, args) {
+        res.sendResponse = function(args) {
             if (global.environment && global.environment.api_hostname) {
                 res.header('X-Served-By-Host', global.environment.api_hostname);
             }
 
-            if (req && req.params && req.params.dbhost) {
+            if (req.params && req.params.dbhost) {
                 res.header('X-Served-By-DB-Host', req.params.dbhost);
             }
 
-            if (req && req.profiler ) {
+            if (req.profiler) {
                 res.header('X-Tiler-Profiler', req.profiler.toJSONString());
             }
 
-//        res.send(body|status[, headers|status[, status]])
             res.send.apply(res, args);
 
-            if ( req && req.profiler ) {
+            if (req.profiler ) {
                 try {
                     // May throw due to dns, see
                     // See http://github.com/CartoDB/Windshaft/issues/166
@@ -426,37 +425,36 @@ function bootstrap(opts) {
                 }
             }
         };
-        res.sendError = function(res, err, statusCode, label, tolog) {
-            res._windshaftStatusCode = statusCode;
+        res.sendError = function(err, label) {
 
-            var olabel = '[';
-            if ( label ) {
-                olabel += label + ' ';
+            label = label || 'UNKNOWN';
+
+            var statusCode = app.findStatusCode(err);
+
+            // use console.log for statusCode != 500 ?
+            if (statusCode >= 500) {
+                console.error('[%s ERROR] -- %d: %s', label, statusCode, err);
+            } else {
+                console.warn('[%s WARN] -- %d: %s', label, statusCode, err);
             }
-            olabel += 'ERROR]';
-            if ( ! tolog ) {
-                tolog = err;
-            }
-            var log_msg = olabel + " -- " + statusCode + ": " + tolog;
-            //if ( tolog.stack ) log_msg += "\n" + tolog.stack;
-            console.error(log_msg); // use console.log for statusCode != 500 ?
+
             // If a callback was requested, force status to 200
-            if ( res.req ) {
-                // NOTE: res.req can be undefined when we fake a call to
-                //       ourself from POST to /layergroup
-                if ( res.req.query.callback ) {
-                    statusCode = 200;
-                }
+            if (req.query.callback) {
+                statusCode = 200;
             }
-            // Strip connection info, if any
-            // See https://github.com/CartoDB/Windshaft/issues/173
-            err = JSON.stringify(err);
-            err = err.replace(/Connection string: '[^']*'\\n/, '');
-            // See https://travis-ci.org/CartoDB/Windshaft/jobs/20703062#L1644
-            err = err.replace(/is the server.*encountered/im, 'encountered');
-            err = JSON.parse(err);
 
-            res.sendResponse(res, [err, statusCode]);
+            // See https://github.com/Vizzuality/Windshaft-cartodb/issues/68
+            var message = (_.isString(err) ? err : err.message) || 'Unknown error';
+            // Strip connection info, if any
+            message = message
+                // See https://github.com/CartoDB/Windshaft/issues/173
+                .replace(/Connection string: '[^']*'\\n/, '')
+                // See https://travis-ci.org/CartoDB/Windshaft/jobs/20703062#L1644
+                .replace(/is the server.*encountered/im, 'encountered');
+
+            var errorResponseBody = { errors: [message] };
+
+            res.sendResponse([errorResponseBody, statusCode]);
         };
         next();
     });
diff --git a/test/acceptance/named_static_maps.js b/test/acceptance/named_static_maps.js
index 3df35b22..3acd4bee 100644
--- a/test/acceptance/named_static_maps.js
+++ b/test/acceptance/named_static_maps.js
@@ -163,8 +163,10 @@ describe('named static maps', function() {
         var nonexistentName = 'nonexistent';
         getStaticMap(nonexistentName, { status: 404 }, function(err, res) {
             assert.ok(!err);
-            var parsed = JSON.parse(res.body);
-            assert.equal(parsed.error, "Template '" + nonexistentName + "' of user '" + username + "' not found");
+            assert.deepEqual(
+                JSON.parse(res.body),
+                { errors: ["Template '" + nonexistentName + "' of user '" + username + "' not found"] }
+            );
             done();
         });
     });
@@ -172,8 +174,7 @@ describe('named static maps', function() {
     it('should return 403 if not properly authorized', function(done) {
         getStaticMap(tokenAuthTemplateName, { status: 403 }, function(err, res) {
             assert.ok(!err);
-            var parsed = JSON.parse(res.body);
-            assert.equal(parsed.error, 'Unauthorized template instantiation');
+            assert.deepEqual(JSON.parse(res.body), { errors: ['Unauthorized template instantiation'] });
             done();
         });
     });