diff --git a/lib/api/map/preview-template-controller.js b/lib/api/map/preview-template-controller.js
index 92d4380e..49ee18c7 100644
--- a/lib/api/map/preview-template-controller.js
+++ b/lib/api/map/preview-template-controller.js
@@ -342,7 +342,8 @@ function incrementMapViews ({ metadataBackend }) {
 
         mapConfigProvider.getMapConfig((err, mapConfig) => {
             if (err) {
-                logger.warn(err, `ERROR: failed to increment mapview count for user '${user}'`);
+                err.message = `Failed to increment mapview count for user '${user}'. ${err.message}`;
+                logger.warn({ error: err });
                 return next();
             }
 
@@ -354,7 +355,8 @@ function incrementMapViews ({ metadataBackend }) {
 
             metadataBackend.incMapviewCount(user, statTag, (err) => {
                 if (err) {
-                    logger.warn(err, `ERROR: failed to increment mapview count for user '${user}'`);
+                    err.message = `Failed to increment mapview count for user '${user}'. ${err.message}`;
+                    logger.warn({ error: err });
                 }
 
                 next();
diff --git a/lib/api/middlewares/cache-channel-header.js b/lib/api/middlewares/cache-channel-header.js
index 66486392..622aa053 100644
--- a/lib/api/middlewares/cache-channel-header.js
+++ b/lib/api/middlewares/cache-channel-header.js
@@ -10,7 +10,8 @@ module.exports = function setCacheChannelHeader () {
 
         mapConfigProvider.getAffectedTables((err, affectedTables) => {
             if (err) {
-                logger.warn(err, 'ERROR generating Cache Channel Header');
+                err.message = `Error generating Cache Channel Header. ${err.message}`;
+                logger.warn({ error: err });
                 return next();
             }
 
diff --git a/lib/api/middlewares/cache-control-header.js b/lib/api/middlewares/cache-control-header.js
index 18ec7728..5ae0d481 100644
--- a/lib/api/middlewares/cache-control-header.js
+++ b/lib/api/middlewares/cache-control-header.js
@@ -44,7 +44,8 @@ module.exports = function setCacheControlHeader ({
 
         mapConfigProvider.getAffectedTables((err, affectedTables) => {
             if (err) {
-                logger.warn(err, 'ERROR generating Cache Control Header');
+                err.message = `Error generating Cache Control Header. ${err.message}`;
+                logger.warn({ error: err });
                 return next();
             }
 
diff --git a/lib/api/middlewares/error-middleware.js b/lib/api/middlewares/error-middleware.js
index 645a8992..faca863f 100644
--- a/lib/api/middlewares/error-middleware.js
+++ b/lib/api/middlewares/error-middleware.js
@@ -5,7 +5,7 @@ module.exports = function errorMiddleware (/* options */) {
         const { logger } = res.locals;
         const errors = populateLimitErrors(Array.isArray(err) ? err : [err]);
 
-        logger.error({ errors });
+        logger.error({ error: errors });
 
         const errorResponseBody = {
             errors: errors.map(errorMessage),
diff --git a/lib/api/middlewares/increment-map-view-count.js b/lib/api/middlewares/increment-map-view-count.js
index 1b71e8e3..ea4fc285 100644
--- a/lib/api/middlewares/increment-map-view-count.js
+++ b/lib/api/middlewares/increment-map-view-count.js
@@ -14,7 +14,8 @@ module.exports = function incrementMapViewCount (metadataBackend) {
             req.profiler.done('incMapviewCount');
 
             if (err) {
-                logger.warn(err, `ERROR: failed to increment mapview count for user '${user}'`);
+                err.message = `Failed to increment mapview count for user '${user}'. ${err.message}`;
+                logger.warn({ error: err });
             }
 
             next();
diff --git a/lib/api/middlewares/last-modified-header.js b/lib/api/middlewares/last-modified-header.js
index b68d7c31..f2d41292 100644
--- a/lib/api/middlewares/last-modified-header.js
+++ b/lib/api/middlewares/last-modified-header.js
@@ -21,7 +21,8 @@ module.exports = function setLastModifiedHeader () {
 
         mapConfigProvider.getAffectedTables((err, affectedTables) => {
             if (err) {
-                logger.warn(err, 'ERROR generating Last Modified Header');
+                err.message = `Error generating Last Modified Header. ${err.message}`;
+                logger.warn({ error: err });
                 return next();
             }
 
diff --git a/lib/api/middlewares/metrics.js b/lib/api/middlewares/metrics.js
index dc69b373..6b7a9ff8 100644
--- a/lib/api/middlewares/metrics.js
+++ b/lib/api/middlewares/metrics.js
@@ -15,6 +15,8 @@ module.exports = function metrics ({ enabled, tags, metricsBackend }) {
     }
 
     return function metricsMiddleware (req, res, next) {
+        // FIXME: use parent logger as we don't want bind the error to the request
+        // but we still want to know if an error is thrown
         const { logger } = res.locals;
 
         res.on('finish', () => {
diff --git a/lib/api/middlewares/surrogate-key-header.js b/lib/api/middlewares/surrogate-key-header.js
index c1415038..c8fd550d 100644
--- a/lib/api/middlewares/surrogate-key-header.js
+++ b/lib/api/middlewares/surrogate-key-header.js
@@ -17,7 +17,8 @@ module.exports = function setSurrogateKeyHeader ({ surrogateKeysCache }) {
 
         mapConfigProvider.getAffectedTables((err, affectedTables) => {
             if (err) {
-                logger.warn(err, 'ERROR generating Surrogate Key Header');
+                err.message = `Erros generating Surrogate Key Header. ${err.message}`;
+                logger.warn({ error: err });
                 return next();
             }
 
diff --git a/lib/utils/logger.js b/lib/utils/logger.js
index 0a4b3df0..54beee2e 100644
--- a/lib/utils/logger.js
+++ b/lib/utils/logger.js
@@ -13,7 +13,7 @@ module.exports = class Logger {
             serializers: {
                 request: requestSerializer,
                 response: responseSerializer,
-                errors: (errors) => errors.map((err) => errorSerializer(err))
+                error: (error) => Array.isArray(error) ? error.map((err) => errorSerializer(err)) : [errorSerializer(error)]
             }
         };
         const dest = pino.destination({ sync: false }); // stdout
diff --git a/test/acceptance/turbo-carto/regressions-test.js b/test/acceptance/turbo-carto/regressions-test.js
index e36dc2e1..d0ba7d89 100644
--- a/test/acceptance/turbo-carto/regressions-test.js
+++ b/test/acceptance/turbo-carto/regressions-test.js
@@ -67,7 +67,7 @@ describe('turbo-carto regressions', function () {
         });
     });
 
-    it('should fail for private tables', function (done) {
+    it.only('should fail for private tables', function (done) {
         var cartocss = [
             '#private_table {',
             '  marker-placement: point;',