diff --git a/metro/log-collector.js b/metro/log-collector.js
index 5e4ef2f4..bbb3c7b5 100644
--- a/metro/log-collector.js
+++ b/metro/log-collector.js
@@ -25,7 +25,7 @@ module.exports = function logCollector () {
                 const { level, time } = entry;
 
                 if (level === undefined && time === undefined) {
-                    throw new Error('Entry log is not a valid');
+                    throw new Error('Entry log is not valid');
                 }
             } catch (e) {
                 if (DEV_ENVS.includes(process.env.NODE_ENV)) {
diff --git a/metro/metrics-collector.js b/metro/metrics-collector.js
index bf488c17..eb7a1112 100644
--- a/metro/metrics-collector.js
+++ b/metro/metrics-collector.js
@@ -72,7 +72,7 @@ module.exports = function metricsCollector () {
             const { request, response, stats } = entry;
 
             if (request === undefined || response === undefined || stats === undefined) {
-                this.push(chunk + '\n');
+                this.push(chunk);
                 return callback();
             }
 
@@ -80,7 +80,7 @@ module.exports = function metricsCollector () {
             const { 'carto-user': user } = headers;
 
             if (statusCode === undefined || headers === undefined || user === undefined) {
-                this.push(chunk + '\n');
+                this.push(chunk);
                 return callback();
             }