diff --git a/htdocs/core/class/utils.class.php b/htdocs/core/class/utils.class.php
index eea895ada40dd..3314830b68af1 100644
--- a/htdocs/core/class/utils.class.php
+++ b/htdocs/core/class/utils.class.php
@@ -676,7 +676,7 @@ function generateDoc($module)
 	 * This saves syslog files and compresses older ones
 	 * Used from cronjob
 	 *
-	 * @return	int		 0 if OK, < 0 if KO
+	 * @return	int						0 if OK, < 0 if KO
 	 */
 	function compressSyslogs() {
 		global $conf;
@@ -686,6 +686,7 @@ function compressSyslogs() {
 		}
 
 		if(! function_exists('gzopen')) {
+			$this->error = 'Support for gzopen not available in this PHP';
 			return -1;
 		}
 
@@ -693,7 +694,7 @@ function compressSyslogs() {
 
 		$nbSaves = ! empty($conf->global->SYSLOG_FILE_SAVES) ? intval($conf->global->SYSLOG_FILE_SAVES) : 14;
 
-		if(empty($conf->global->SYSLOG_FILE)) {
+		if (empty($conf->global->SYSLOG_FILE)) {
 			$mainlogdir = DOL_DATA_ROOT;
 			$mainlog = 'dolibarr.log';
 		} else {
@@ -710,7 +711,7 @@ function compressSyslogs() {
 			$logname = $file['name'];
 			$logpath = $file['path'];
 
-			// Handle already compressed files
+			// Handle already compressed files to rename them and add +1
 
 			$filter = '^'.preg_quote($logname, '/').'\.([0-9]+)\.gz$';
 
@@ -729,7 +730,7 @@ function compressSyslogs() {
 			krsort($gzfiles, SORT_NUMERIC);
 
 			foreach($gzfiles as $numsave => $dummy) {
-				if(dol_is_file($logpath.'/'.$logname.'.'.($numsave+1).'.gz')) {
+				if (dol_is_file($logpath.'/'.$logname.'.'.($numsave+1).'.gz')) {
 					return -2;
 				}
 
@@ -741,18 +742,19 @@ function compressSyslogs() {
 			}
 
 			// Compress last save
-
-			if(dol_is_file($logpath.'/'.$logname.'.1')) {
+			if (dol_is_file($logpath.'/'.$logname.'.1')) {
 				if($nbSaves > 1) {
 					$gzfilehandle = gzopen($logpath.'/'.$logname.'.2.gz', 'wb9');
 
-					if(empty($gzfilehandle)) {
+					if (empty($gzfilehandle)) {
+						$this->error = 'Failted to open file '.$logpath.'/'.$logname.'.2.gz';
 						return -3;
 					}
 
 					$sourcehandle = fopen($logpath.'/'.$logname.'.1', 'r');
 
-					if(empty($sourcehandle)) {
+					if (empty($sourcehandle)) {
+						$this->error = 'Failed to open file '.$logpath.'/'.$logname.'.1';
 						return -4;
 					}
 
@@ -769,14 +771,16 @@ function compressSyslogs() {
 
 			// Compress current file et recreate it
 
-			if(dol_is_file($logpath.'/'.$logname)) {
-				if(dol_move($logpath.'/'.$logname, $logpath.'/'.$logname.'.1', 0, 1, 0, 0)) {
+			if (dol_is_file($logpath.'/'.$logname)) {
+				if (dol_move($logpath.'/'.$logname, $logpath.'/'.$logname.'.1', 0, 1, 0, 0))
+				{
 					$newlog = fopen($logpath.'/'.$logname, 'a+');
 					fclose($newlog);
 				}
 			}
 		}
 
+		$this->output = 'Archive log files (keeping last SYSLOG_FILE_SAVES='.$nbSaves.' files) done.';
 		return 0;
 	}
 }
\ No newline at end of file
diff --git a/htdocs/core/modules/modSyslog.class.php b/htdocs/core/modules/modSyslog.class.php
index 39a4c93951bd3..fca192f5ec00b 100644
--- a/htdocs/core/modules/modSyslog.class.php
+++ b/htdocs/core/modules/modSyslog.class.php
@@ -82,7 +82,7 @@ function __construct($db)
 
 		// Cronjobs
 		$this->cronjobs = array(
-		    0=>array('label'=>'CompressSyslogs', 'jobtype'=>'method', 'class'=>'core/class/utils.class.php', 'objectname'=>'Utils', 'method'=>'compressSyslogs', 'parameters'=>'', 'comment'=>'PurgeDeleteTemporaryFiles', 'frequency'=>1, 'unitfrequency'=> 3600 * 24, 'priority'=>50, 'status'=>0, 'test'=>true),
+		    0=>array('label'=>'CompressSyslogs', 'jobtype'=>'method', 'class'=>'core/class/utils.class.php', 'objectname'=>'Utils', 'method'=>'compressSyslogs', 'parameters'=>'', 'comment'=>'Compress and archive log files', 'frequency'=>1, 'unitfrequency'=> 3600 * 24, 'priority'=>50, 'status'=>0, 'test'=>true),
 		);
 	}
 }