diff --git a/htdocs/admin/system/perf.php b/htdocs/admin/system/perf.php
index 8cc7532b647..7a34b584499 100644
--- a/htdocs/admin/system/perf.php
+++ b/htdocs/admin/system/perf.php
@@ -77,7 +77,11 @@ $test = empty($conf->syslog->enabled);
 if ($test) {
 	print img_picto('', 'tick.png').' '.$langs->trans("NotInstalled").' - '.$langs->trans("NotSlowedDownByThis");
 } else {
-	print img_picto('', 'warning').' '.$langs->trans("ModuleActivated", $langs->transnoentities("Syslog"));
+	if ($conf->global->SYSLOG_LEVEL > LOG_NOTICE) {
+		print img_picto('', 'warning').' '.$langs->trans("ModuleActivatedWithTooHighLogLevel", $langs->transnoentities("Syslog"));
+	} else {
+		print img_picto('', 'tick.png').' '.$langs->trans("ModuleSyslogActivatedButLevelNotTooVerbose", $langs->transnoentities("Syslog"), $conf->global->SYSLOG_LEVEL);
+	}
 	//print ' '.$langs->trans("MoreInformation").' <a href="'.DOL_URL_ROOT.'/admin/system/xdebug.php'.'">XDebug admin page</a>';
 }
 print '<br>';
diff --git a/htdocs/langs/en_US/admin.lang b/htdocs/langs/en_US/admin.lang
index 5d78f312917..0bc0261e373 100644
--- a/htdocs/langs/en_US/admin.lang
+++ b/htdocs/langs/en_US/admin.lang
@@ -2061,9 +2061,11 @@ UseDebugBar=Use the debug bar
 DEBUGBAR_LOGS_LINES_NUMBER=Number of last log lines to keep in console
 WarningValueHigherSlowsDramaticalyOutput=Warning, higher values slows dramaticaly output
 ModuleActivated=Module %s is activated and slows the interface
+ModuleActivatedWithTooHighLogLevel=Module %s is activated with a too high logging level (try to use a lower level for better performances)
 ModuleSyslogActivatedButLevelNotTooVerbose=Module %s is activated and log level (%s) is correct (not too verbose)
 IfYouAreOnAProductionSetThis=If you are on a production environment, you should set this property to %s.
 AntivirusEnabledOnUpload=Antivirus enabled on uploaded files
+SomeFilesOrDirInRootAreWritable=Some files or directories are not in a read-only mode
 EXPORTS_SHARE_MODELS=Export models are share with everybody
 ExportSetup=Setup of module Export
 ImportSetup=Setup of module Import