diff --git a/CHANGELOG.md b/CHANGELOG.md
index fcc86c7c6..9a51b63ed 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,8 @@
 
+## 4.0.1
+
+- chore: switch Systeminfo logging to debug
+
 ## 4.0.0
 
 - feat: make pm2 fully standalone with node embedded
diff --git a/lib/Sysinfo/SystemInfo.js b/lib/Sysinfo/SystemInfo.js
index b935b583e..36d022f9c 100644
--- a/lib/Sysinfo/SystemInfo.js
+++ b/lib/Sysinfo/SystemInfo.js
@@ -7,6 +7,7 @@ const fork = require('child_process').fork
 const DEFAULT_CONVERSION = 1024 * 1024
 const os = require('os')
 const fs = require('fs')
+const debug = require('debug')('pm2:sysinfos')
 
 class SystemInfo {
   constructor() {
@@ -102,10 +103,10 @@ class SystemInfo {
       stdio: ['inherit', 'inherit', 'inherit', 'ipc']
     })
 
-    this.process.on('exit', () => {
-      console.log('systeminfos collection process offline')
+    this.process.on('exit', (code) => {
+      console.log(`systeminfos collection process offline with code ${code}`)
       if (this.restart == true)
-      this.fork()
+        this.fork()
     })
 
     this.process.on('error', (e) => {
@@ -229,7 +230,7 @@ class SystemInfo {
       .then(getOsInfo)
       .then(diskLayout)
       .catch(e => {
-        console.error(`Error when trying to retrieve static informations`, e)
+        debug(`Error when trying to retrieve static informations`, e)
       })
   }
 
@@ -257,12 +258,12 @@ class SystemInfo {
               next()
             })
             .catch(e => {
-              console.error(e)
+              debug(e)
               next()
             })
         }, (err) => {
           if (err)
-            console.error(err)
+            debug(err)
           this.infos.containers = new_containers.sort((a, b) => {
             var textA = a.name.toUpperCase();
             var textB = b.name.toUpperCase();
@@ -272,7 +273,7 @@ class SystemInfo {
         })
       })
       .catch(e => {
-        console.error(e)
+        debug(e)
         return cb()
       })
   }
@@ -284,7 +285,7 @@ class SystemInfo {
         this.infos.services.stopped = services.filter(service => service.running === false)
       })
       .catch(e => {
-        console.error(e)
+        debug(e)
       })
   }
 
@@ -300,7 +301,7 @@ class SystemInfo {
         return cb()
       })
       .catch(e => {
-        console.error(`Error when retrieving process list`, e)
+        debug(`Error when retrieving process list`, e)
         return cb()
       })
   }
@@ -366,7 +367,7 @@ class SystemInfo {
         return cb()
       })
       .catch(e => {
-        console.error(`Error while getting memory info`, e)
+        debug(`Error while getting memory info`, e)
         return cb()
       })
   }
@@ -383,7 +384,7 @@ class SystemInfo {
           setTimeout(retrieveConn.bind(this), 10 * 1000)
         })
         .catch(e => {
-          console.error(`Error while retrieving filesystem infos`, e)
+          debug(`Error while retrieving filesystem infos`, e)
           setTimeout(retrieveConn.bind(this), 10 * 1000)
         })
     })();
@@ -403,7 +404,7 @@ class SystemInfo {
           setTimeout(fsSizeCollection.bind(this), 30 * 1000)
         })
         .catch(e => {
-          console.error(`Error while retrieving filesystem infos`, e)
+          debug(`Error while retrieving filesystem infos`, e)
           setTimeout(fsSizeCollection.bind(this), 10 * 1000)
         })
     })();
@@ -428,7 +429,7 @@ class SystemInfo {
           setTimeout(ioCollection.bind(this), 1000)
         })
         .catch(e => {
-          console.error(`Error while getting network statistics`, e)
+          debug(`Error while getting network statistics`, e)
           setTimeout(ioCollection.bind(this), 1000)
         })
     })();
@@ -464,7 +465,7 @@ class SystemInfo {
           setTimeout(latencyCollection.bind(this), 2000)
         })
         .catch(e => {
-          console.error(e)
+          debug(e)
           setTimeout(latencyCollection.bind(this), 2000)
         })
     })()
@@ -508,7 +509,7 @@ class SystemInfo {
             setTimeout(networkStatsCollection.bind(this), 1000)
           })
           .catch(e => {
-            console.error(`Error on retrieving network stats`, e)
+            debug(`Error on retrieving network stats`, e)
             setTimeout(networkStatsCollection.bind(this), 900)
           })
       })()
diff --git a/package.json b/package.json
index 36cd9601a..292a58db7 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "pm2",
   "preferGlobal": true,
-  "version": "4.0.0",
+  "version": "4.0.1",
   "engines": {
     "embed": "12.4.0",
     "node": ">=8.0.0"